Home / 12,467,869.60-18,713,614.20-7,684,900.60

Finding the Fourth Proportional to 12,467,869.60, 18,713,614.20 and 7,684,900.60

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Solution

The fourth proportional to 12,467,869.60, 18,713,614.20 and 7,684,900.60 is: 11,534,630.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467,869.60 : 18,713,614.20 = 7,684,900.60 : x
  2. Step 2: Convert to fraction form
    12,467,869.60/18,713,614.20 = 7,684,900.60/x
  3. Step 3: Cross multiply
    12,467,869.60x = 18,713,614.20 × 7,684,900.60
  4. Step 4: Simplify right side
    12,467,869.60x = 143,812,264,993,748.50
  5. Step 5: Solve for x
    x = 143,812,264,993,748.50/12,467,869.60
  6. Step 6: Final answer
    x = 11,534,630.18

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1.5x scale

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.