Home / 10,393,875.40-15,573,098.40-8,870,411.20

Finding the Fourth Proportional to 10,393,875.40, 15,573,098.40 and 8,870,411.20

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Solution

The fourth proportional to 10,393,875.40, 15,573,098.40 and 8,870,411.20 is: 13,290,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393,875.40 : 15,573,098.40 = 8,870,411.20 : x
  2. Step 2: Convert to fraction form
    10,393,875.40/15,573,098.40 = 8,870,411.20/x
  3. Step 3: Cross multiply
    10,393,875.40x = 15,573,098.40 × 8,870,411.20
  4. Step 4: Simplify right side
    10,393,875.40x = 138,139,786,466,062.08
  5. Step 5: Solve for x
    x = 138,139,786,466,062.08/10,393,875.40
  6. Step 6: Final answer
    x = 13,290,498.60

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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.