Home / 7,393,130.76-10,198,262.70-4,450,901.34

Finding the Fourth Proportional to 7,393,130.76, 10,198,262.70 and 4,450,901.34

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Solution

The fourth proportional to 7,393,130.76, 10,198,262.70 and 4,450,901.34 is: 6,139,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393,130.76 : 10,198,262.70 = 4,450,901.34 : x
  2. Step 2: Convert to fraction form
    7,393,130.76/10,198,262.70 = 4,450,901.34/x
  3. Step 3: Cross multiply
    7,393,130.76x = 10,198,262.70 × 4,450,901.34
  4. Step 4: Simplify right side
    7,393,130.76x = 45,391,461,117,102.02
  5. Step 5: Solve for x
    x = 45,391,461,117,102.02/7,393,130.76
  6. Step 6: Final answer
    x = 6,139,680.55

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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.