Home / 28,445,975.25-39,255,549.17-15,393,232.74

Finding the Fourth Proportional to 28,445,975.25, 39,255,549.17 and 15,393,232.74

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Solution

The fourth proportional to 28,445,975.25, 39,255,549.17 and 15,393,232.74 is: 21,242,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,445,975.25 : 39,255,549.17 = 15,393,232.74 : x
  2. Step 2: Convert to fraction form
    28,445,975.25/39,255,549.17 = 15,393,232.74/x
  3. Step 3: Cross multiply
    28,445,975.25x = 39,255,549.17 × 15,393,232.74
  4. Step 4: Simplify right side
    28,445,975.25x = 604,269,804,780,566
  5. Step 5: Solve for x
    x = 604,269,804,780,566/28,445,975.25
  6. Step 6: Final answer
    x = 21,242,717.10

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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.