Home / 15,320,075.49-21,141,068.04-8,350,599.69

Finding the Fourth Proportional to 15,320,075.49, 21,141,068.04 and 8,350,599.69

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Solution

The fourth proportional to 15,320,075.49, 21,141,068.04 and 8,350,599.69 is: 11,523,480.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,320,075.49 : 21,141,068.04 = 8,350,599.69 : x
  2. Step 2: Convert to fraction form
    15,320,075.49/21,141,068.04 = 8,350,599.69/x
  3. Step 3: Cross multiply
    15,320,075.49x = 21,141,068.04 × 8,350,599.69
  4. Step 4: Simplify right side
    15,320,075.49x = 176,540,596,221,092.91
  5. Step 5: Solve for x
    x = 176,540,596,221,092.91/15,320,075.49
  6. Step 6: Final answer
    x = 11,523,480.83

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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.