Home / 13,439,174.40-20,158,761.60-13,215,225.60

Finding the Fourth Proportional to 13,439,174.40, 20,158,761.60 and 13,215,225.60

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Solution

The fourth proportional to 13,439,174.40, 20,158,761.60 and 13,215,225.60 is: 19,822,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,439,174.40 : 20,158,761.60 = 13,215,225.60 : x
  2. Step 2: Convert to fraction form
    13,439,174.40/20,158,761.60 = 13,215,225.60/x
  3. Step 3: Cross multiply
    13,439,174.40x = 20,158,761.60 × 13,215,225.60
  4. Step 4: Simplify right side
    13,439,174.40x = 266,402,582,360,616.97
  5. Step 5: Solve for x
    x = 266,402,582,360,616.97/13,439,174.40
  6. Step 6: Final answer
    x = 19,822,838.40

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1.5x scale

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.