Home / 10,887,998.40-16,337,246.40-7,686,230.40

Finding the Fourth Proportional to 10,887,998.40, 16,337,246.40 and 7,686,230.40

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Solution

The fourth proportional to 10,887,998.40, 16,337,246.40 and 7,686,230.40 is: 11,533,050.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887,998.40 : 16,337,246.40 = 7,686,230.40 : x
  2. Step 2: Convert to fraction form
    10,887,998.40/16,337,246.40 = 7,686,230.40/x
  3. Step 3: Cross multiply
    10,887,998.40x = 16,337,246.40 × 7,686,230.40
  4. Step 4: Simplify right side
    10,887,998.40x = 125,571,839,931,970.56
  5. Step 5: Solve for x
    x = 125,571,839,931,970.56/10,887,998.40
  6. Step 6: Final answer
    x = 11,533,050.92

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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.