Home / 51,470,720.38-77,205,912.17-18,681,245.54

Finding the Fourth Proportional to 51,470,720.38, 77,205,912.17 and 18,681,245.54

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Solution

The fourth proportional to 51,470,720.38, 77,205,912.17 and 18,681,245.54 is: 28,021,807.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,470,720.38 : 77,205,912.17 = 18,681,245.54 : x
  2. Step 2: Convert to fraction form
    51,470,720.38/77,205,912.17 = 18,681,245.54/x
  3. Step 3: Cross multiply
    51,470,720.38x = 77,205,912.17 × 18,681,245.54
  4. Step 4: Simplify right side
    51,470,720.38x = 1,442,302,602,294,038
  5. Step 5: Solve for x
    x = 1,442,302,602,294,038/51,470,720.38
  6. Step 6: Final answer
    x = 28,021,807.19

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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.