Home / 10,363,647.77-15,514,766.13-7,680,018.34

Finding the Fourth Proportional to 10,363,647.77, 15,514,766.13 and 7,680,018.34

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Solution

The fourth proportional to 10,363,647.77, 15,514,766.13 and 7,680,018.34 is: 11,497,273.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363,647.77 : 15,514,766.13 = 7,680,018.34 : x
  2. Step 2: Convert to fraction form
    10,363,647.77/15,514,766.13 = 7,680,018.34/x
  3. Step 3: Cross multiply
    10,363,647.77x = 15,514,766.13 × 7,680,018.34
  4. Step 4: Simplify right side
    10,363,647.77x = 119,153,688,419,210.83
  5. Step 5: Solve for x
    x = 119,153,688,419,210.83/10,363,647.77
  6. Step 6: Final answer
    x = 11,497,273.07

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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.