Home / 51,528,022.80-77,290,262.68-13,189,869.04

Finding the Fourth Proportional to 51,528,022.80, 77,290,262.68 and 13,189,869.04

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Solution

The fourth proportional to 51,528,022.80, 77,290,262.68 and 13,189,869.04 is: 19,784,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,528,022.80 : 77,290,262.68 = 13,189,869.04 : x
  2. Step 2: Convert to fraction form
    51,528,022.80/77,290,262.68 = 13,189,869.04/x
  3. Step 3: Cross multiply
    51,528,022.80x = 77,290,262.68 × 13,189,869.04
  4. Step 4: Simplify right side
    51,528,022.80x = 1,019,448,442,816,399.50
  5. Step 5: Solve for x
    x = 1,019,448,442,816,399.50/51,528,022.80
  6. Step 6: Final answer
    x = 19,784,350.10

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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.