Home / 54,019,648.92-81,029,681.15-13,079,019.86

Finding the Fourth Proportional to 54,019,648.92, 81,029,681.15 and 13,079,019.86

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Solution

The fourth proportional to 54,019,648.92, 81,029,681.15 and 13,079,019.86 is: 19,618,580.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,019,648.92 : 81,029,681.15 = 13,079,019.86 : x
  2. Step 2: Convert to fraction form
    54,019,648.92/81,029,681.15 = 13,079,019.86/x
  3. Step 3: Cross multiply
    54,019,648.92x = 81,029,681.15 × 13,079,019.86
  4. Step 4: Simplify right side
    54,019,648.92x = 1,059,788,808,539,774.12
  5. Step 5: Solve for x
    x = 1,059,788,808,539,774.12/54,019,648.92
  6. Step 6: Final answer
    x = 19,618,580.09

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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.