Home / 10,121,263.60-13,952,816.61-7,215,609.94

Finding the Fourth Proportional to 10,121,263.60, 13,952,816.61 and 7,215,609.94

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Solution

The fourth proportional to 10,121,263.60, 13,952,816.61 and 7,215,609.94 is: 9,947,185.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121,263.60 : 13,952,816.61 = 7,215,609.94 : x
  2. Step 2: Convert to fraction form
    10,121,263.60/13,952,816.61 = 7,215,609.94/x
  3. Step 3: Cross multiply
    10,121,263.60x = 13,952,816.61 × 7,215,609.94
  4. Step 4: Simplify right side
    10,121,263.60x = 100,678,082,163,717.17
  5. Step 5: Solve for x
    x = 100,678,082,163,717.17/10,121,263.60
  6. Step 6: Final answer
    x = 9,947,185.07

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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.