Home / 12,302,426.60-18,453,639.90-8,712,247.40

Finding the Fourth Proportional to 12,302,426.60, 18,453,639.90 and 8,712,247.40

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Solution

The fourth proportional to 12,302,426.60, 18,453,639.90 and 8,712,247.40 is: 13,068,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302,426.60 : 18,453,639.90 = 8,712,247.40 : x
  2. Step 2: Convert to fraction form
    12,302,426.60/18,453,639.90 = 8,712,247.40/x
  3. Step 3: Cross multiply
    12,302,426.60x = 18,453,639.90 × 8,712,247.40
  4. Step 4: Simplify right side
    12,302,426.60x = 160,772,676,239,311.25
  5. Step 5: Solve for x
    x = 160,772,676,239,311.25/12,302,426.60
  6. Step 6: Final answer
    x = 13,068,371.10

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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.