Home / 13,868,079.60-20,808,340.20-6,291,145.20

Finding the Fourth Proportional to 13,868,079.60, 20,808,340.20 and 6,291,145.20

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Solution

The fourth proportional to 13,868,079.60, 20,808,340.20 and 6,291,145.20 is: 9,439,539.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868,079.60 : 20,808,340.20 = 6,291,145.20 : x
  2. Step 2: Convert to fraction form
    13,868,079.60/20,808,340.20 = 6,291,145.20/x
  3. Step 3: Cross multiply
    13,868,079.60x = 20,808,340.20 × 6,291,145.20
  4. Step 4: Simplify right side
    13,868,079.60x = 130,908,289,569,197.05
  5. Step 5: Solve for x
    x = 130,908,289,569,197.05/13,868,079.60
  6. Step 6: Final answer
    x = 9,439,539.82

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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.