Home / 18,891,133.47-28,300,171.84-15,822,061.70

Finding the Fourth Proportional to 18,891,133.47, 28,300,171.84 and 15,822,061.70

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Solution

The fourth proportional to 18,891,133.47, 28,300,171.84 and 15,822,061.70 is: 23,702,498.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,891,133.47 : 28,300,171.84 = 15,822,061.70 : x
  2. Step 2: Convert to fraction form
    18,891,133.47/28,300,171.84 = 15,822,061.70/x
  3. Step 3: Cross multiply
    18,891,133.47x = 28,300,171.84 × 15,822,061.70
  4. Step 4: Simplify right side
    18,891,133.47x = 447,767,064,792,026.50
  5. Step 5: Solve for x
    x = 447,767,064,792,026.50/18,891,133.47
  6. Step 6: Final answer
    x = 23,702,498.61

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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.