Home / 7,991,141.18-11,982,985.08-4,151,931.47

Finding the Fourth Proportional to 7,991,141.18, 11,982,985.08 and 4,151,931.47

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Solution

The fourth proportional to 7,991,141.18, 11,982,985.08 and 4,151,931.47 is: 6,225,960.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991,141.18 : 11,982,985.08 = 4,151,931.47 : x
  2. Step 2: Convert to fraction form
    7,991,141.18/11,982,985.08 = 4,151,931.47/x
  3. Step 3: Cross multiply
    7,991,141.18x = 11,982,985.08 × 4,151,931.47
  4. Step 4: Simplify right side
    7,991,141.18x = 49,752,532,798,277.54
  5. Step 5: Solve for x
    x = 49,752,532,798,277.54/7,991,141.18
  6. Step 6: Final answer
    x = 6,225,960.94

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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.