Home / 7,128,608.10-10,692,912.15-4,294,256.10

Finding the Fourth Proportional to 7,128,608.10, 10,692,912.15 and 4,294,256.10

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Solution

The fourth proportional to 7,128,608.10, 10,692,912.15 and 4,294,256.10 is: 6,441,384.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,608.10 : 10,692,912.15 = 4,294,256.10 : x
  2. Step 2: Convert to fraction form
    7,128,608.10/10,692,912.15 = 4,294,256.10/x
  3. Step 3: Cross multiply
    7,128,608.10x = 10,692,912.15 × 4,294,256.10
  4. Step 4: Simplify right side
    7,128,608.10x = 45,918,103,226,901.61
  5. Step 5: Solve for x
    x = 45,918,103,226,901.61/7,128,608.10
  6. Step 6: Final answer
    x = 6,441,384.15

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.