Home / 8,582,142.60-12,894,209.10-6,456,378.60

Finding the Fourth Proportional to 8,582,142.60, 12,894,209.10 and 6,456,378.60

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Solution

The fourth proportional to 8,582,142.60, 12,894,209.10 and 6,456,378.60 is: 9,700,362.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,582,142.60 : 12,894,209.10 = 6,456,378.60 : x
  2. Step 2: Convert to fraction form
    8,582,142.60/12,894,209.10 = 6,456,378.60/x
  3. Step 3: Cross multiply
    8,582,142.60x = 12,894,209.10 × 6,456,378.60
  4. Step 4: Simplify right side
    8,582,142.60x = 83,249,895,697,165.25
  5. Step 5: Solve for x
    x = 83,249,895,697,165.25/8,582,142.60
  6. Step 6: Final answer
    x = 9,700,362.67

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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.