Home / 7,889,720.40-11,834,580.60-5,034,373.20

Finding the Fourth Proportional to 7,889,720.40, 11,834,580.60 and 5,034,373.20

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Solution

The fourth proportional to 7,889,720.40, 11,834,580.60 and 5,034,373.20 is: 7,551,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889,720.40 : 11,834,580.60 = 5,034,373.20 : x
  2. Step 2: Convert to fraction form
    7,889,720.40/11,834,580.60 = 5,034,373.20/x
  3. Step 3: Cross multiply
    7,889,720.40x = 11,834,580.60 × 5,034,373.20
  4. Step 4: Simplify right side
    7,889,720.40x = 59,579,695,405,879.92
  5. Step 5: Solve for x
    x = 59,579,695,405,879.92/7,889,720.40
  6. Step 6: Final answer
    x = 7,551,559.80

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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.