Home / 13,420,834.40-20,126,002.80-4,896,783.20

Finding the Fourth Proportional to 13,420,834.40, 20,126,002.80 and 4,896,783.20

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Solution

The fourth proportional to 13,420,834.40, 20,126,002.80 and 4,896,783.20 is: 7,343,259.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,420,834.40 : 20,126,002.80 = 4,896,783.20 : x
  2. Step 2: Convert to fraction form
    13,420,834.40/20,126,002.80 = 4,896,783.20/x
  3. Step 3: Cross multiply
    13,420,834.40x = 20,126,002.80 × 4,896,783.20
  4. Step 4: Simplify right side
    13,420,834.40x = 98,552,672,394,192.97
  5. Step 5: Solve for x
    x = 98,552,672,394,192.97/13,420,834.40
  6. Step 6: Final answer
    x = 7,343,259.70

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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.