Home / 10,531,490.40-15,797,235.60-8,736,400.80

Finding the Fourth Proportional to 10,531,490.40, 15,797,235.60 and 8,736,400.80

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Solution

The fourth proportional to 10,531,490.40, 15,797,235.60 and 8,736,400.80 is: 13,104,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531,490.40 : 15,797,235.60 = 8,736,400.80 : x
  2. Step 2: Convert to fraction form
    10,531,490.40/15,797,235.60 = 8,736,400.80/x
  3. Step 3: Cross multiply
    10,531,490.40x = 15,797,235.60 × 8,736,400.80
  4. Step 4: Simplify right side
    10,531,490.40x = 138,010,981,733,628.48
  5. Step 5: Solve for x
    x = 138,010,981,733,628.48/10,531,490.40
  6. Step 6: Final answer
    x = 13,104,601.20

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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.