Home / 13,721,320.20-20,581,980.30-3,623,941.20

Finding the Fourth Proportional to 13,721,320.20, 20,581,980.30 and 3,623,941.20

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Solution

The fourth proportional to 13,721,320.20, 20,581,980.30 and 3,623,941.20 is: 5,435,911.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,721,320.20 : 20,581,980.30 = 3,623,941.20 : x
  2. Step 2: Convert to fraction form
    13,721,320.20/20,581,980.30 = 3,623,941.20/x
  3. Step 3: Cross multiply
    13,721,320.20x = 20,581,980.30 × 3,623,941.20
  4. Step 4: Simplify right side
    13,721,320.20x = 74,587,886,386,758.36
  5. Step 5: Solve for x
    x = 74,587,886,386,758.36/13,721,320.20
  6. Step 6: Final answer
    x = 5,435,911.80

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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.