Home / 20,736,422.10-31,113,964.35-7,282,905.30

Finding the Fourth Proportional to 20,736,422.10, 31,113,964.35 and 7,282,905.30

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Solution

The fourth proportional to 20,736,422.10, 31,113,964.35 and 7,282,905.30 is: 10,927,635.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,422.10 : 31,113,964.35 = 7,282,905.30 : x
  2. Step 2: Convert to fraction form
    20,736,422.10/31,113,964.35 = 7,282,905.30/x
  3. Step 3: Cross multiply
    20,736,422.10x = 31,113,964.35 × 7,282,905.30
  4. Step 4: Simplify right side
    20,736,422.10x = 226,600,055,868,626.06
  5. Step 5: Solve for x
    x = 226,600,055,868,626.06/20,736,422.10
  6. Step 6: Final answer
    x = 10,927,635.19

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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.