Home / 13,376,880.12-20,060,398.40-4,620,931.20

Finding the Fourth Proportional to 13,376,880.12, 20,060,398.40 and 4,620,931.20

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Solution

The fourth proportional to 13,376,880.12, 20,060,398.40 and 4,620,931.20 is: 6,929,696.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376,880.12 : 20,060,398.40 = 4,620,931.20 : x
  2. Step 2: Convert to fraction form
    13,376,880.12/20,060,398.40 = 4,620,931.20/x
  3. Step 3: Cross multiply
    13,376,880.12x = 20,060,398.40 × 4,620,931.20
  4. Step 4: Simplify right side
    13,376,880.12x = 92,697,720,850,990.08
  5. Step 5: Solve for x
    x = 92,697,720,850,990.08/13,376,880.12
  6. Step 6: Final answer
    x = 6,929,696.61

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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.