Home / 18,679,209.90-28,024,063.65-9,094,901.10

Finding the Fourth Proportional to 18,679,209.90, 28,024,063.65 and 9,094,901.10

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Solution

The fourth proportional to 18,679,209.90, 28,024,063.65 and 9,094,901.10 is: 13,644,907.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679,209.90 : 28,024,063.65 = 9,094,901.10 : x
  2. Step 2: Convert to fraction form
    18,679,209.90/28,024,063.65 = 9,094,901.10/x
  3. Step 3: Cross multiply
    18,679,209.90x = 28,024,063.65 × 9,094,901.10
  4. Step 4: Simplify right side
    18,679,209.90x = 254,876,087,316,855
  5. Step 5: Solve for x
    x = 254,876,087,316,855/18,679,209.90
  6. Step 6: Final answer
    x = 13,644,907.29

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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.