Home / 13,156,503.40-19,725,423.90-5,971,479.40

Finding the Fourth Proportional to 13,156,503.40, 19,725,423.90 and 5,971,479.40

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Solution

The fourth proportional to 13,156,503.40, 19,725,423.90 and 5,971,479.40 is: 8,952,983.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156,503.40 : 19,725,423.90 = 5,971,479.40 : x
  2. Step 2: Convert to fraction form
    13,156,503.40/19,725,423.90 = 5,971,479.40/x
  3. Step 3: Cross multiply
    13,156,503.40x = 19,725,423.90 × 5,971,479.40
  4. Step 4: Simplify right side
    13,156,503.40x = 117,789,962,475,117.66
  5. Step 5: Solve for x
    x = 117,789,962,475,117.66/13,156,503.40
  6. Step 6: Final answer
    x = 8,952,983.85

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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.