Home / 8,239,166.40-12,358,749.60-7,903,243.20

Finding the Fourth Proportional to 8,239,166.40, 12,358,749.60 and 7,903,243.20

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Solution

The fourth proportional to 8,239,166.40, 12,358,749.60 and 7,903,243.20 is: 11,854,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239,166.40 : 12,358,749.60 = 7,903,243.20 : x
  2. Step 2: Convert to fraction form
    8,239,166.40/12,358,749.60 = 7,903,243.20/x
  3. Step 3: Cross multiply
    8,239,166.40x = 12,358,749.60 × 7,903,243.20
  4. Step 4: Simplify right side
    8,239,166.40x = 97,674,203,736,702.72
  5. Step 5: Solve for x
    x = 97,674,203,736,702.72/8,239,166.40
  6. Step 6: Final answer
    x = 11,854,864.80

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Similar ratio
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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.