Home / 15,459,751.20-23,189,626.80-9,786,381.60

Finding the Fourth Proportional to 15,459,751.20, 23,189,626.80 and 9,786,381.60

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Solution

The fourth proportional to 15,459,751.20, 23,189,626.80 and 9,786,381.60 is: 14,679,572.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,459,751.20 : 23,189,626.80 = 9,786,381.60 : x
  2. Step 2: Convert to fraction form
    15,459,751.20/23,189,626.80 = 9,786,381.60/x
  3. Step 3: Cross multiply
    15,459,751.20x = 23,189,626.80 × 9,786,381.60
  4. Step 4: Simplify right side
    15,459,751.20x = 226,942,537,026,386.88
  5. Step 5: Solve for x
    x = 226,942,537,026,386.88/15,459,751.20
  6. Step 6: Final answer
    x = 14,679,572.40

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Similar ratio
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1.5x scale

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.