Home / 7,705,488.80-11,559,615.60-3,218,218.40

Finding the Fourth Proportional to 7,705,488.80, 11,559,615.60 and 3,218,218.40

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Solution

The fourth proportional to 7,705,488.80, 11,559,615.60 and 3,218,218.40 is: 4,827,904.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,705,488.80 : 11,559,615.60 = 3,218,218.40 : x
  2. Step 2: Convert to fraction form
    7,705,488.80/11,559,615.60 = 3,218,218.40/x
  3. Step 3: Cross multiply
    7,705,488.80x = 11,559,615.60 × 3,218,218.40
  4. Step 4: Simplify right side
    7,705,488.80x = 37,201,367,620,847.04
  5. Step 5: Solve for x
    x = 37,201,367,620,847.04/7,705,488.80
  6. Step 6: Final answer
    x = 4,827,904.96

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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.