Home / 18,412,182.90-27,617,275.89-5,632,688.70

Finding the Fourth Proportional to 18,412,182.90, 27,617,275.89 and 5,632,688.70

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Solution

The fourth proportional to 18,412,182.90, 27,617,275.89 and 5,632,688.70 is: 8,448,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,412,182.90 : 27,617,275.89 = 5,632,688.70 : x
  2. Step 2: Convert to fraction form
    18,412,182.90/27,617,275.89 = 5,632,688.70/x
  3. Step 3: Cross multiply
    18,412,182.90x = 27,617,275.89 × 5,632,688.70
  4. Step 4: Simplify right side
    18,412,182.90x = 155,559,517,830,385.44
  5. Step 5: Solve for x
    x = 155,559,517,830,385.44/18,412,182.90
  6. Step 6: Final answer
    x = 8,448,727.60

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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.