Home / 40,831,246.65-61,246,869.98-18,112,143.90

Finding the Fourth Proportional to 40,831,246.65, 61,246,869.98 and 18,112,143.90

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Solution

The fourth proportional to 40,831,246.65, 61,246,869.98 and 18,112,143.90 is: 27,168,215.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,831,246.65 : 61,246,869.98 = 18,112,143.90 : x
  2. Step 2: Convert to fraction form
    40,831,246.65/61,246,869.98 = 18,112,143.90/x
  3. Step 3: Cross multiply
    40,831,246.65x = 61,246,869.98 × 18,112,143.90
  4. Step 4: Simplify right side
    40,831,246.65x = 1,109,312,122,411,789.38
  5. Step 5: Solve for x
    x = 1,109,312,122,411,789.38/40,831,246.65
  6. Step 6: Final answer
    x = 27,168,215.85

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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.