Home / 8,745,359.40-12,043,774.98-7,512,707.88

Finding the Fourth Proportional to 8,745,359.40, 12,043,774.98 and 7,512,707.88

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Solution

The fourth proportional to 8,745,359.40, 12,043,774.98 and 7,512,707.88 is: 10,346,214.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745,359.40 : 12,043,774.98 = 7,512,707.88 : x
  2. Step 2: Convert to fraction form
    8,745,359.40/12,043,774.98 = 7,512,707.88/x
  3. Step 3: Cross multiply
    8,745,359.40x = 12,043,774.98 × 7,512,707.88
  4. Step 4: Simplify right side
    8,745,359.40x = 90,481,363,197,192.84
  5. Step 5: Solve for x
    x = 90,481,363,197,192.84/8,745,359.40
  6. Step 6: Final answer
    x = 10,346,214.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.