Home / 22,676,366.10-31,292,036.72-12,885,451.42

Finding the Fourth Proportional to 22,676,366.10, 31,292,036.72 and 12,885,451.42

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Solution

The fourth proportional to 22,676,366.10, 31,292,036.72 and 12,885,451.42 is: 17,781,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,676,366.10 : 31,292,036.72 = 12,885,451.42 : x
  2. Step 2: Convert to fraction form
    22,676,366.10/31,292,036.72 = 12,885,451.42/x
  3. Step 3: Cross multiply
    22,676,366.10x = 31,292,036.72 × 12,885,451.42
  4. Step 4: Simplify right side
    22,676,366.10x = 403,212,018,988,416.12
  5. Step 5: Solve for x
    x = 403,212,018,988,416.12/22,676,366.10
  6. Step 6: Final answer
    x = 17,781,156.70

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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.