Home / 18,126,211.74-25,014,703.86-9,866,812.74

Finding the Fourth Proportional to 18,126,211.74, 25,014,703.86 and 9,866,812.74

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Solution

The fourth proportional to 18,126,211.74, 25,014,703.86 and 9,866,812.74 is: 13,616,490.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126,211.74 : 25,014,703.86 = 9,866,812.74 : x
  2. Step 2: Convert to fraction form
    18,126,211.74/25,014,703.86 = 9,866,812.74/x
  3. Step 3: Cross multiply
    18,126,211.74x = 25,014,703.86 × 9,866,812.74
  4. Step 4: Simplify right side
    18,126,211.74x = 246,815,398,733,175.19
  5. Step 5: Solve for x
    x = 246,815,398,733,175.19/18,126,211.74
  6. Step 6: Final answer
    x = 13,616,490.98

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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.