Home / 10,309,851.60-15,464,777.40-7,286,542.80

Finding the Fourth Proportional to 10,309,851.60, 15,464,777.40 and 7,286,542.80

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Solution

The fourth proportional to 10,309,851.60, 15,464,777.40 and 7,286,542.80 is: 10,929,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,309,851.60 : 15,464,777.40 = 7,286,542.80 : x
  2. Step 2: Convert to fraction form
    10,309,851.60/15,464,777.40 = 7,286,542.80/x
  3. Step 3: Cross multiply
    10,309,851.60x = 15,464,777.40 × 7,286,542.80
  4. Step 4: Simplify right side
    10,309,851.60x = 112,684,762,417,572.72
  5. Step 5: Solve for x
    x = 112,684,762,417,572.72/10,309,851.60
  6. Step 6: Final answer
    x = 10,929,814.20

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1.5x scale

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.