Home / 14,582,108.90-20,123,885.88-8,387,145.72

Finding the Fourth Proportional to 14,582,108.90, 20,123,885.88 and 8,387,145.72

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Solution

The fourth proportional to 14,582,108.90, 20,123,885.88 and 8,387,145.72 is: 11,574,592.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,582,108.90 : 20,123,885.88 = 8,387,145.72 : x
  2. Step 2: Convert to fraction form
    14,582,108.90/20,123,885.88 = 8,387,145.72/x
  3. Step 3: Cross multiply
    14,582,108.90x = 20,123,885.88 × 8,387,145.72
  4. Step 4: Simplify right side
    14,582,108.90x = 168,781,963,328,210.41
  5. Step 5: Solve for x
    x = 168,781,963,328,210.41/14,582,108.90
  6. Step 6: Final answer
    x = 11,574,592.16

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1.5x scale

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.