Home / 47,476,681.45-71,205,057.50-13,390,055.71

Finding the Fourth Proportional to 47,476,681.45, 71,205,057.50 and 13,390,055.71

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Solution

The fourth proportional to 47,476,681.45, 71,205,057.50 and 13,390,055.71 is: 20,082,273.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,476,681.45 : 71,205,057.50 = 13,390,055.71 : x
  2. Step 2: Convert to fraction form
    47,476,681.45/71,205,057.50 = 13,390,055.71/x
  3. Step 3: Cross multiply
    47,476,681.45x = 71,205,057.50 × 13,390,055.71
  4. Step 4: Simplify right side
    47,476,681.45x = 953,439,686,513,790.38
  5. Step 5: Solve for x
    x = 953,439,686,513,790.38/47,476,681.45
  6. Step 6: Final answer
    x = 20,082,273.18

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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.