Home / 8,309,697.60-12,464,546.40-3,830,721.60

Finding the Fourth Proportional to 8,309,697.60, 12,464,546.40 and 3,830,721.60

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Solution

The fourth proportional to 8,309,697.60, 12,464,546.40 and 3,830,721.60 is: 5,746,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,697.60 : 12,464,546.40 = 3,830,721.60 : x
  2. Step 2: Convert to fraction form
    8,309,697.60/12,464,546.40 = 3,830,721.60/x
  3. Step 3: Cross multiply
    8,309,697.60x = 12,464,546.40 × 3,830,721.60
  4. Step 4: Simplify right side
    8,309,697.60x = 47,748,207,128,682.24
  5. Step 5: Solve for x
    x = 47,748,207,128,682.24/8,309,697.60
  6. Step 6: Final answer
    x = 5,746,082.40

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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.