Home / 12,914,791.32-19,358,894.88-5,729,709

Finding the Fourth Proportional to 12,914,791.32, 19,358,894.88 and 5,729,709

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Solution

The fourth proportional to 12,914,791.32, 19,358,894.88 and 5,729,709 is: 8,588,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,914,791.32 : 19,358,894.88 = 5,729,709 : x
  2. Step 2: Convert to fraction form
    12,914,791.32/19,358,894.88 = 5,729,709/x
  3. Step 3: Cross multiply
    12,914,791.32x = 19,358,894.88 × 5,729,709
  4. Step 4: Simplify right side
    12,914,791.32x = 110,920,834,223,989.91
  5. Step 5: Solve for x
    x = 110,920,834,223,989.91/12,914,791.32
  6. Step 6: Final answer
    x = 8,588,666.40

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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.