Home / 18,795,152.79-28,176,427.85-7,272,689.32

Finding the Fourth Proportional to 18,795,152.79, 28,176,427.85 and 7,272,689.32

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Solution

The fourth proportional to 18,795,152.79, 28,176,427.85 and 7,272,689.32 is: 10,902,726.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795,152.79 : 28,176,427.85 = 7,272,689.32 : x
  2. Step 2: Convert to fraction form
    18,795,152.79/28,176,427.85 = 7,272,689.32/x
  3. Step 3: Cross multiply
    18,795,152.79x = 28,176,427.85 × 7,272,689.32
  4. Step 4: Simplify right side
    18,795,152.79x = 204,918,405,899,302.66
  5. Step 5: Solve for x
    x = 204,918,405,899,302.66/18,795,152.79
  6. Step 6: Final answer
    x = 10,902,726.26

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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.