Home / 13,360,973.20-20,041,459.80-11,819,794.30

Finding the Fourth Proportional to 13,360,973.20, 20,041,459.80 and 11,819,794.30

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Solution

The fourth proportional to 13,360,973.20, 20,041,459.80 and 11,819,794.30 is: 17,729,691.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360,973.20 : 20,041,459.80 = 11,819,794.30 : x
  2. Step 2: Convert to fraction form
    13,360,973.20/20,041,459.80 = 11,819,794.30/x
  3. Step 3: Cross multiply
    13,360,973.20x = 20,041,459.80 × 11,819,794.30
  4. Step 4: Simplify right side
    13,360,973.20x = 236,885,932,307,719.16
  5. Step 5: Solve for x
    x = 236,885,932,307,719.16/13,360,973.20
  6. Step 6: Final answer
    x = 17,729,691.45

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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.