Home / 18,458,155.40-27,686,868.60-5,513,073.18

Finding the Fourth Proportional to 18,458,155.40, 27,686,868.60 and 5,513,073.18

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Solution

The fourth proportional to 18,458,155.40, 27,686,868.60 and 5,513,073.18 is: 8,269,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458,155.40 : 27,686,868.60 = 5,513,073.18 : x
  2. Step 2: Convert to fraction form
    18,458,155.40/27,686,868.60 = 5,513,073.18/x
  3. Step 3: Cross multiply
    18,458,155.40x = 27,686,868.60 × 5,513,073.18
  4. Step 4: Simplify right side
    18,458,155.40x = 152,639,732,716,844.16
  5. Step 5: Solve for x
    x = 152,639,732,716,844.16/18,458,155.40
  6. Step 6: Final answer
    x = 8,269,500.90

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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.