Home / 28,672,279.40-43,008,419.10-12,747,031.40

Finding the Fourth Proportional to 28,672,279.40, 43,008,419.10 and 12,747,031.40

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Solution

The fourth proportional to 28,672,279.40, 43,008,419.10 and 12,747,031.40 is: 19,120,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,672,279.40 : 43,008,419.10 = 12,747,031.40 : x
  2. Step 2: Convert to fraction form
    28,672,279.40/43,008,419.10 = 12,747,031.40/x
  3. Step 3: Cross multiply
    28,672,279.40x = 43,008,419.10 × 12,747,031.40
  4. Step 4: Simplify right side
    28,672,279.40x = 548,229,668,732,059.75
  5. Step 5: Solve for x
    x = 548,229,668,732,059.75/28,672,279.40
  6. Step 6: Final answer
    x = 19,120,547.10

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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.