Home / 15,145,042.23-20,900,075.49-8,269,474.95

Finding the Fourth Proportional to 15,145,042.23, 20,900,075.49 and 8,269,474.95

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Solution

The fourth proportional to 15,145,042.23, 20,900,075.49 and 8,269,474.95 is: 11,411,830.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145,042.23 : 20,900,075.49 = 8,269,474.95 : x
  2. Step 2: Convert to fraction form
    15,145,042.23/20,900,075.49 = 8,269,474.95/x
  3. Step 3: Cross multiply
    15,145,042.23x = 20,900,075.49 × 8,269,474.95
  4. Step 4: Simplify right side
    15,145,042.23x = 172,832,650,717,663.97
  5. Step 5: Solve for x
    x = 172,832,650,717,663.97/15,145,042.23
  6. Step 6: Final answer
    x = 11,411,830.23

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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.