Home / 10,872,124.20-16,320,627.90-6,386,927.40

Finding the Fourth Proportional to 10,872,124.20, 16,320,627.90 and 6,386,927.40

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Solution

The fourth proportional to 10,872,124.20, 16,320,627.90 and 6,386,927.40 is: 9,587,700.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872,124.20 : 16,320,627.90 = 6,386,927.40 : x
  2. Step 2: Convert to fraction form
    10,872,124.20/16,320,627.90 = 6,386,927.40/x
  3. Step 3: Cross multiply
    10,872,124.20x = 16,320,627.90 × 6,386,927.40
  4. Step 4: Simplify right side
    10,872,124.20x = 104,238,665,519,714.47
  5. Step 5: Solve for x
    x = 104,238,665,519,714.47/10,872,124.20
  6. Step 6: Final answer
    x = 9,587,700.03

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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.