Home / 20,336,599.17-28,073,095.43-13,730,137.47

Finding the Fourth Proportional to 20,336,599.17, 28,073,095.43 and 13,730,137.47

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Solution

The fourth proportional to 20,336,599.17, 28,073,095.43 and 13,730,137.47 is: 18,953,388.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,336,599.17 : 28,073,095.43 = 13,730,137.47 : x
  2. Step 2: Convert to fraction form
    20,336,599.17/28,073,095.43 = 13,730,137.47/x
  3. Step 3: Cross multiply
    20,336,599.17x = 28,073,095.43 × 13,730,137.47
  4. Step 4: Simplify right side
    20,336,599.17x = 385,447,459,321,963.25
  5. Step 5: Solve for x
    x = 385,447,459,321,963.25/20,336,599.17
  6. Step 6: Final answer
    x = 18,953,388.23

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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.