Home / 15,352,159.32-21,177,098.28-9,919,651.32

Finding the Fourth Proportional to 15,352,159.32, 21,177,098.28 and 9,919,651.32

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Solution

The fourth proportional to 15,352,159.32, 21,177,098.28 and 9,919,651.32 is: 13,683,380.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,352,159.32 : 21,177,098.28 = 9,919,651.32 : x
  2. Step 2: Convert to fraction form
    15,352,159.32/21,177,098.28 = 9,919,651.32/x
  3. Step 3: Cross multiply
    15,352,159.32x = 21,177,098.28 × 9,919,651.32
  4. Step 4: Simplify right side
    15,352,159.32x = 210,069,430,906,971.75
  5. Step 5: Solve for x
    x = 210,069,430,906,971.75/15,352,159.32
  6. Step 6: Final answer
    x = 13,683,380.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.