Home / 14,766,711.90-20,378,066.10-8,151,304.06

Finding the Fourth Proportional to 14,766,711.90, 20,378,066.10 and 8,151,304.06

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Solution

The fourth proportional to 14,766,711.90, 20,378,066.10 and 8,151,304.06 is: 11,248,801.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,766,711.90 : 20,378,066.10 = 8,151,304.06 : x
  2. Step 2: Convert to fraction form
    14,766,711.90/20,378,066.10 = 8,151,304.06/x
  3. Step 3: Cross multiply
    14,766,711.90x = 20,378,066.10 × 8,151,304.06
  4. Step 4: Simplify right side
    14,766,711.90x = 166,107,812,935,878.38
  5. Step 5: Solve for x
    x = 166,107,812,935,878.38/14,766,711.90
  6. Step 6: Final answer
    x = 11,248,801.63

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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.