Home / 10,657,125.20-15,985,687.80-9,425,406.80

Finding the Fourth Proportional to 10,657,125.20, 15,985,687.80 and 9,425,406.80

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Solution

The fourth proportional to 10,657,125.20, 15,985,687.80 and 9,425,406.80 is: 14,138,110.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,657,125.20 : 15,985,687.80 = 9,425,406.80 : x
  2. Step 2: Convert to fraction form
    10,657,125.20/15,985,687.80 = 9,425,406.80/x
  3. Step 3: Cross multiply
    10,657,125.20x = 15,985,687.80 × 9,425,406.80
  4. Step 4: Simplify right side
    10,657,125.20x = 150,671,610,492,797.06
  5. Step 5: Solve for x
    x = 150,671,610,492,797.06/10,657,125.20
  6. Step 6: Final answer
    x = 14,138,110.20

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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.