Home / 13,402,839.40-20,104,259.10-8,301,005.80

Finding the Fourth Proportional to 13,402,839.40, 20,104,259.10 and 8,301,005.80

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Solution

The fourth proportional to 13,402,839.40, 20,104,259.10 and 8,301,005.80 is: 12,451,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,402,839.40 : 20,104,259.10 = 8,301,005.80 : x
  2. Step 2: Convert to fraction form
    13,402,839.40/20,104,259.10 = 8,301,005.80/x
  3. Step 3: Cross multiply
    13,402,839.40x = 20,104,259.10 × 8,301,005.80
  4. Step 4: Simplify right side
    13,402,839.40x = 166,885,571,393,802.78
  5. Step 5: Solve for x
    x = 166,885,571,393,802.78/13,402,839.40
  6. Step 6: Final answer
    x = 12,451,508.70

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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.