Home / 20,955,959.58-31,433,947.47-9,427,964.25

Finding the Fourth Proportional to 20,955,959.58, 31,433,947.47 and 9,427,964.25

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Solution

The fourth proportional to 20,955,959.58, 31,433,947.47 and 9,427,964.25 is: 14,141,950.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,955,959.58 : 31,433,947.47 = 9,427,964.25 : x
  2. Step 2: Convert to fraction form
    20,955,959.58/31,433,947.47 = 9,427,964.25/x
  3. Step 3: Cross multiply
    20,955,959.58x = 31,433,947.47 × 9,427,964.25
  4. Step 4: Simplify right side
    20,955,959.58x = 296,358,132,936,398.12
  5. Step 5: Solve for x
    x = 296,358,132,936,398.12/20,955,959.58
  6. Step 6: Final answer
    x = 14,141,950.02

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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.