Home / 18,126,461.04-25,015,176.18-9,866,123.97

Finding the Fourth Proportional to 18,126,461.04, 25,015,176.18 and 9,866,123.97

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Solution

The fourth proportional to 18,126,461.04, 25,015,176.18 and 9,866,123.97 is: 13,615,610.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126,461.04 : 25,015,176.18 = 9,866,123.97 : x
  2. Step 2: Convert to fraction form
    18,126,461.04/25,015,176.18 = 9,866,123.97/x
  3. Step 3: Cross multiply
    18,126,461.04x = 25,015,176.18 × 9,866,123.97
  4. Step 4: Simplify right side
    18,126,461.04x = 246,802,829,323,271.06
  5. Step 5: Solve for x
    x = 246,802,829,323,271.06/18,126,461.04
  6. Step 6: Final answer
    x = 13,615,610.28

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.