Home / 18,458,156.40-27,686,870.10-5,513,074.18

Finding the Fourth Proportional to 18,458,156.40, 27,686,870.10 and 5,513,074.18

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Solution

The fourth proportional to 18,458,156.40, 27,686,870.10 and 5,513,074.18 is: 8,269,502.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458,156.40 : 27,686,870.10 = 5,513,074.18 : x
  2. Step 2: Convert to fraction form
    18,458,156.40/27,686,870.10 = 5,513,074.18/x
  3. Step 3: Cross multiply
    18,458,156.40x = 27,686,870.10 × 5,513,074.18
  4. Step 4: Simplify right side
    18,458,156.40x = 152,639,768,673,324.03
  5. Step 5: Solve for x
    x = 152,639,768,673,324.03/18,458,156.40
  6. Step 6: Final answer
    x = 8,269,502.40

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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.