Home / 13,472,412.70-20,208,619.05-6,652,253.20

Finding the Fourth Proportional to 13,472,412.70, 20,208,619.05 and 6,652,253.20

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Solution

The fourth proportional to 13,472,412.70, 20,208,619.05 and 6,652,253.20 is: 9,978,379.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472,412.70 : 20,208,619.05 = 6,652,253.20 : x
  2. Step 2: Convert to fraction form
    13,472,412.70/20,208,619.05 = 6,652,253.20/x
  3. Step 3: Cross multiply
    13,472,412.70x = 20,208,619.05 × 6,652,253.20
  4. Step 4: Simplify right side
    13,472,412.70x = 134,432,850,742,943.47
  5. Step 5: Solve for x
    x = 134,432,850,742,943.47/13,472,412.70
  6. Step 6: Final answer
    x = 9,978,379.80

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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.