Home / 10,543,709.48-15,799,205.80-7,311,551.75

Finding the Fourth Proportional to 10,543,709.48, 15,799,205.80 and 7,311,551.75

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Solution

The fourth proportional to 10,543,709.48, 15,799,205.80 and 7,311,551.75 is: 10,955,983.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,543,709.48 : 15,799,205.80 = 7,311,551.75 : x
  2. Step 2: Convert to fraction form
    10,543,709.48/15,799,205.80 = 7,311,551.75/x
  3. Step 3: Cross multiply
    10,543,709.48x = 15,799,205.80 × 7,311,551.75
  4. Step 4: Simplify right side
    10,543,709.48x = 115,516,710,739,990.50
  5. Step 5: Solve for x
    x = 115,516,710,739,990.50/10,543,709.48
  6. Step 6: Final answer
    x = 10,955,983.85

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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.