Home / 19,686,195.40-29,529,293.10-12,474,344.20

Finding the Fourth Proportional to 19,686,195.40, 29,529,293.10 and 12,474,344.20

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Solution

The fourth proportional to 19,686,195.40, 29,529,293.10 and 12,474,344.20 is: 18,711,516.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686,195.40 : 29,529,293.10 = 12,474,344.20 : x
  2. Step 2: Convert to fraction form
    19,686,195.40/29,529,293.10 = 12,474,344.20/x
  3. Step 3: Cross multiply
    19,686,195.40x = 29,529,293.10 × 12,474,344.20
  4. Step 4: Simplify right side
    19,686,195.40x = 368,358,566,112,085
  5. Step 5: Solve for x
    x = 368,358,566,112,085/19,686,195.40
  6. Step 6: Final answer
    x = 18,711,516.30

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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.