Home / 15,547,432.48-21,455,400.72-8,671,909.12

Finding the Fourth Proportional to 15,547,432.48, 21,455,400.72 and 8,671,909.12

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Solution

The fourth proportional to 15,547,432.48, 21,455,400.72 and 8,671,909.12 is: 11,967,203.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,547,432.48 : 21,455,400.72 = 8,671,909.12 : x
  2. Step 2: Convert to fraction form
    15,547,432.48/21,455,400.72 = 8,671,909.12/x
  3. Step 3: Cross multiply
    15,547,432.48x = 21,455,400.72 × 8,671,909.12
  4. Step 4: Simplify right side
    15,547,432.48x = 186,059,285,177,022.53
  5. Step 5: Solve for x
    x = 186,059,285,177,022.53/15,547,432.48
  6. Step 6: Final answer
    x = 11,967,203.29

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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.