Home / 7,889,568.80-11,834,353.20-4,488,346.40

Finding the Fourth Proportional to 7,889,568.80, 11,834,353.20 and 4,488,346.40

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Solution

The fourth proportional to 7,889,568.80, 11,834,353.20 and 4,488,346.40 is: 6,732,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889,568.80 : 11,834,353.20 = 4,488,346.40 : x
  2. Step 2: Convert to fraction form
    7,889,568.80/11,834,353.20 = 4,488,346.40/x
  3. Step 3: Cross multiply
    7,889,568.80x = 11,834,353.20 × 4,488,346.40
  4. Step 4: Simplify right side
    7,889,568.80x = 53,116,676,581,548.48
  5. Step 5: Solve for x
    x = 53,116,676,581,548.48/7,889,568.80
  6. Step 6: Final answer
    x = 6,732,519.60

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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.