Home / 13,316,854.79-19,917,577.15-7,838,894.43

Finding the Fourth Proportional to 13,316,854.79, 19,917,577.15 and 7,838,894.43

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Solution

The fourth proportional to 13,316,854.79, 19,917,577.15 and 7,838,894.43 is: 11,724,373.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316,854.79 : 19,917,577.15 = 7,838,894.43 : x
  2. Step 2: Convert to fraction form
    13,316,854.79/19,917,577.15 = 7,838,894.43/x
  3. Step 3: Cross multiply
    13,316,854.79x = 19,917,577.15 × 7,838,894.43
  4. Step 4: Simplify right side
    13,316,854.79x = 156,131,784,560,633.03
  5. Step 5: Solve for x
    x = 156,131,784,560,633.03/13,316,854.79
  6. Step 6: Final answer
    x = 11,724,373.89

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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.