Home / 13,314,337.76-18,373,805.16-7,202,751.68

Finding the Fourth Proportional to 13,314,337.76, 18,373,805.16 and 7,202,751.68

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Solution

The fourth proportional to 13,314,337.76, 18,373,805.16 and 7,202,751.68 is: 9,939,807.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314,337.76 : 18,373,805.16 = 7,202,751.68 : x
  2. Step 2: Convert to fraction form
    13,314,337.76/18,373,805.16 = 7,202,751.68/x
  3. Step 3: Cross multiply
    13,314,337.76x = 18,373,805.16 × 7,202,751.68
  4. Step 4: Simplify right side
    13,314,337.76x = 132,341,955,984,182.67
  5. Step 5: Solve for x
    x = 132,341,955,984,182.67/13,314,337.76
  6. Step 6: Final answer
    x = 9,939,807.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.