Home / 40,332,720.40-60,499,080.60-13,402,877.20

Finding the Fourth Proportional to 40,332,720.40, 60,499,080.60 and 13,402,877.20

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Solution

The fourth proportional to 40,332,720.40, 60,499,080.60 and 13,402,877.20 is: 20,104,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,332,720.40 : 60,499,080.60 = 13,402,877.20 : x
  2. Step 2: Convert to fraction form
    40,332,720.40/60,499,080.60 = 13,402,877.20/x
  3. Step 3: Cross multiply
    40,332,720.40x = 60,499,080.60 × 13,402,877.20
  4. Step 4: Simplify right side
    40,332,720.40x = 810,861,747,994,702.25
  5. Step 5: Solve for x
    x = 810,861,747,994,702.25/40,332,720.40
  6. Step 6: Final answer
    x = 20,104,315.80

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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.