Home / 13,039,047.20-19,542,824.40-6,646,008.80

Finding the Fourth Proportional to 13,039,047.20, 19,542,824.40 and 6,646,008.80

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Solution

The fourth proportional to 13,039,047.20, 19,542,824.40 and 6,646,008.80 is: 9,960,987.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039,047.20 : 19,542,824.40 = 6,646,008.80 : x
  2. Step 2: Convert to fraction form
    13,039,047.20/19,542,824.40 = 6,646,008.80/x
  3. Step 3: Cross multiply
    13,039,047.20x = 19,542,824.40 × 6,646,008.80
  4. Step 4: Simplify right side
    13,039,047.20x = 129,881,782,939,254.70
  5. Step 5: Solve for x
    x = 129,881,782,939,254.70/13,039,047.20
  6. Step 6: Final answer
    x = 9,960,987.25

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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.