Home / 28,386,929.19-42,579,778.98-7,916,102.52

Finding the Fourth Proportional to 28,386,929.19, 42,579,778.98 and 7,916,102.52

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Solution

The fourth proportional to 28,386,929.19, 42,579,778.98 and 7,916,102.52 is: 11,873,982.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,386,929.19 : 42,579,778.98 = 7,916,102.52 : x
  2. Step 2: Convert to fraction form
    28,386,929.19/42,579,778.98 = 7,916,102.52/x
  3. Step 3: Cross multiply
    28,386,929.19x = 42,579,778.98 × 7,916,102.52
  4. Step 4: Simplify right side
    28,386,929.19x = 337,065,895,684,621
  5. Step 5: Solve for x
    x = 337,065,895,684,621/28,386,929.19
  6. Step 6: Final answer
    x = 11,873,982.33

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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.