Home / 51,551,726.70-77,325,840.45-13,213,616.70

Finding the Fourth Proportional to 51,551,726.70, 77,325,840.45 and 13,213,616.70

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Solution

The fourth proportional to 51,551,726.70, 77,325,840.45 and 13,213,616.70 is: 19,819,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,551,726.70 : 77,325,840.45 = 13,213,616.70 : x
  2. Step 2: Convert to fraction form
    51,551,726.70/77,325,840.45 = 13,213,616.70/x
  3. Step 3: Cross multiply
    51,551,726.70x = 77,325,840.45 × 13,213,616.70
  4. Step 4: Simplify right side
    51,551,726.70x = 1,021,754,016,711,655.50
  5. Step 5: Solve for x
    x = 1,021,754,016,711,655.50/51,551,726.70
  6. Step 6: Final answer
    x = 19,819,976.60

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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.