Home / 15,531,406.40-23,279,613.60-7,448,254.40

Finding the Fourth Proportional to 15,531,406.40, 23,279,613.60 and 7,448,254.40

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Solution

The fourth proportional to 15,531,406.40, 23,279,613.60 and 7,448,254.40 is: 11,163,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,531,406.40 : 23,279,613.60 = 7,448,254.40 : x
  2. Step 2: Convert to fraction form
    15,531,406.40/23,279,613.60 = 7,448,254.40/x
  3. Step 3: Cross multiply
    15,531,406.40x = 23,279,613.60 × 7,448,254.40
  4. Step 4: Simplify right side
    15,531,406.40x = 173,392,484,426,499.88
  5. Step 5: Solve for x
    x = 173,392,484,426,499.88/15,531,406.40
  6. Step 6: Final answer
    x = 11,163,991.20

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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.