Home / 14,985,326.40-20,679,750.24-8,109,808.46

Finding the Fourth Proportional to 14,985,326.40, 20,679,750.24 and 8,109,808.46

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Solution

The fourth proportional to 14,985,326.40, 20,679,750.24 and 8,109,808.46 is: 11,191,535.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985,326.40 : 20,679,750.24 = 8,109,808.46 : x
  2. Step 2: Convert to fraction form
    14,985,326.40/20,679,750.24 = 8,109,808.46/x
  3. Step 3: Cross multiply
    14,985,326.40x = 20,679,750.24 × 8,109,808.46
  4. Step 4: Simplify right side
    14,985,326.40x = 167,708,813,498,738.41
  5. Step 5: Solve for x
    x = 167,708,813,498,738.41/14,985,326.40
  6. Step 6: Final answer
    x = 11,191,535.57

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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.