Home / 10,651,809.60-15,967,216.80-5,256,043.20

Finding the Fourth Proportional to 10,651,809.60, 15,967,216.80 and 5,256,043.20

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Solution

The fourth proportional to 10,651,809.60, 15,967,216.80 and 5,256,043.20 is: 7,878,884.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651,809.60 : 15,967,216.80 = 5,256,043.20 : x
  2. Step 2: Convert to fraction form
    10,651,809.60/15,967,216.80 = 5,256,043.20/x
  3. Step 3: Cross multiply
    10,651,809.60x = 15,967,216.80 × 5,256,043.20
  4. Step 4: Simplify right side
    10,651,809.60x = 83,924,381,284,565.77
  5. Step 5: Solve for x
    x = 83,924,381,284,565.77/10,651,809.60
  6. Step 6: Final answer
    x = 7,878,884.85

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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.