Home / 22,681,962.56-31,301,864.16-12,369,249.92

Finding the Fourth Proportional to 22,681,962.56, 31,301,864.16 and 12,369,249.92

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Solution

The fourth proportional to 22,681,962.56, 31,301,864.16 and 12,369,249.92 is: 17,069,977.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,681,962.56 : 31,301,864.16 = 12,369,249.92 : x
  2. Step 2: Convert to fraction form
    22,681,962.56/31,301,864.16 = 12,369,249.92/x
  3. Step 3: Cross multiply
    22,681,962.56x = 31,301,864.16 × 12,369,249.92
  4. Step 4: Simplify right side
    22,681,962.56x = 387,180,580,756,930.88
  5. Step 5: Solve for x
    x = 387,180,580,756,930.88/22,681,962.56
  6. Step 6: Final answer
    x = 17,069,977.07

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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.