Home / 8,319,953.10-12,482,116.65-2,640,168.30

Finding the Fourth Proportional to 8,319,953.10, 12,482,116.65 and 2,640,168.30

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Solution

The fourth proportional to 8,319,953.10, 12,482,116.65 and 2,640,168.30 is: 3,960,946.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319,953.10 : 12,482,116.65 = 2,640,168.30 : x
  2. Step 2: Convert to fraction form
    8,319,953.10/12,482,116.65 = 2,640,168.30/x
  3. Step 3: Cross multiply
    8,319,953.10x = 12,482,116.65 × 2,640,168.30
  4. Step 4: Simplify right side
    8,319,953.10x = 32,954,888,696,232.20
  5. Step 5: Solve for x
    x = 32,954,888,696,232.20/8,319,953.10
  6. Step 6: Final answer
    x = 3,960,946.45

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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.