Home / 15,153,922.80-20,913,159.96-8,627,681.52

Finding the Fourth Proportional to 15,153,922.80, 20,913,159.96 and 8,627,681.52

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Solution

The fourth proportional to 15,153,922.80, 20,913,159.96 and 8,627,681.52 is: 11,906,625.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,153,922.80 : 20,913,159.96 = 8,627,681.52 : x
  2. Step 2: Convert to fraction form
    15,153,922.80/20,913,159.96 = 8,627,681.52/x
  3. Step 3: Cross multiply
    15,153,922.80x = 20,913,159.96 × 8,627,681.52
  4. Step 4: Simplify right side
    15,153,922.80x = 180,432,083,711,695.94
  5. Step 5: Solve for x
    x = 180,432,083,711,695.94/15,153,922.80
  6. Step 6: Final answer
    x = 11,906,625.51

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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.