Home / 14,485,508.20-21,730,886.70-7,278,905.80

Finding the Fourth Proportional to 14,485,508.20, 21,730,886.70 and 7,278,905.80

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Solution

The fourth proportional to 14,485,508.20, 21,730,886.70 and 7,278,905.80 is: 10,919,677.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485,508.20 : 21,730,886.70 = 7,278,905.80 : x
  2. Step 2: Convert to fraction form
    14,485,508.20/21,730,886.70 = 7,278,905.80/x
  3. Step 3: Cross multiply
    14,485,508.20x = 21,730,886.70 × 7,278,905.80
  4. Step 4: Simplify right side
    14,485,508.20x = 158,177,077,239,772.84
  5. Step 5: Solve for x
    x = 158,177,077,239,772.84/14,485,508.20
  6. Step 6: Final answer
    x = 10,919,677.45

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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.