Home / 8,573,475.80-12,911,536.13-7,808,200.76

Finding the Fourth Proportional to 8,573,475.80, 12,911,536.13 and 7,808,200.76

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Solution

The fourth proportional to 8,573,475.80, 12,911,536.13 and 7,808,200.76 is: 11,759,042.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,573,475.80 : 12,911,536.13 = 7,808,200.76 : x
  2. Step 2: Convert to fraction form
    8,573,475.80/12,911,536.13 = 7,808,200.76/x
  3. Step 3: Cross multiply
    8,573,475.80x = 12,911,536.13 × 7,808,200.76
  4. Step 4: Simplify right side
    8,573,475.80x = 100,815,866,148,715.53
  5. Step 5: Solve for x
    x = 100,815,866,148,715.53/8,573,475.80
  6. Step 6: Final answer
    x = 11,759,042.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.