Home / 51,350,796-77,030,677.35-13,012,311.49

Finding the Fourth Proportional to 51,350,796, 77,030,677.35 and 13,012,311.49

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Solution

The fourth proportional to 51,350,796, 77,030,677.35 and 13,012,311.49 is: 19,519,603.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,350,796 : 77,030,677.35 = 13,012,311.49 : x
  2. Step 2: Convert to fraction form
    51,350,796/77,030,677.35 = 13,012,311.49/x
  3. Step 3: Cross multiply
    51,350,796x = 77,030,677.35 × 13,012,311.49
  4. Step 4: Simplify right side
    51,350,796x = 1,002,347,167,771,311
  5. Step 5: Solve for x
    x = 1,002,347,167,771,311/51,350,796
  6. Step 6: Final answer
    x = 19,519,603.31

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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.