Home / 8,254,638.20-12,371,459.70-7,351,844.60

Finding the Fourth Proportional to 8,254,638.20, 12,371,459.70 and 7,351,844.60

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Solution

The fourth proportional to 8,254,638.20, 12,371,459.70 and 7,351,844.60 is: 11,018,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254,638.20 : 12,371,459.70 = 7,351,844.60 : x
  2. Step 2: Convert to fraction form
    8,254,638.20/12,371,459.70 = 7,351,844.60/x
  3. Step 3: Cross multiply
    8,254,638.20x = 12,371,459.70 × 7,351,844.60
  4. Step 4: Simplify right side
    8,254,638.20x = 90,953,049,189,562.61
  5. Step 5: Solve for x
    x = 90,953,049,189,562.61/8,254,638.20
  6. Step 6: Final answer
    x = 11,018,417.40

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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.