Home / 28,403,115.40-42,604,673.10-9,234,497.80

Finding the Fourth Proportional to 28,403,115.40, 42,604,673.10 and 9,234,497.80

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Solution

The fourth proportional to 28,403,115.40, 42,604,673.10 and 9,234,497.80 is: 13,851,746.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403,115.40 : 42,604,673.10 = 9,234,497.80 : x
  2. Step 2: Convert to fraction form
    28,403,115.40/42,604,673.10 = 9,234,497.80/x
  3. Step 3: Cross multiply
    28,403,115.40x = 42,604,673.10 × 9,234,497.80
  4. Step 4: Simplify right side
    28,403,115.40x = 393,432,760,011,669.25
  5. Step 5: Solve for x
    x = 393,432,760,011,669.25/28,403,115.40
  6. Step 6: Final answer
    x = 13,851,746.70

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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.