Home / 20,586,105.04-30,840,179.08-13,742,039.20

Finding the Fourth Proportional to 20,586,105.04, 30,840,179.08 and 13,742,039.20

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Solution

The fourth proportional to 20,586,105.04, 30,840,179.08 and 13,742,039.20 is: 20,587,039.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,586,105.04 : 30,840,179.08 = 13,742,039.20 : x
  2. Step 2: Convert to fraction form
    20,586,105.04/30,840,179.08 = 13,742,039.20/x
  3. Step 3: Cross multiply
    20,586,105.04x = 30,840,179.08 × 13,742,039.20
  4. Step 4: Simplify right side
    20,586,105.04x = 423,806,949,852,379.88
  5. Step 5: Solve for x
    x = 423,806,949,852,379.88/20,586,105.04
  6. Step 6: Final answer
    x = 20,587,039.12

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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.