Home / 7,890,304.80-11,827,292.40-4,288,461.60

Finding the Fourth Proportional to 7,890,304.80, 11,827,292.40 and 4,288,461.60

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Solution

The fourth proportional to 7,890,304.80, 11,827,292.40 and 4,288,461.60 is: 6,428,254.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890,304.80 : 11,827,292.40 = 4,288,461.60 : x
  2. Step 2: Convert to fraction form
    7,890,304.80/11,827,292.40 = 4,288,461.60/x
  3. Step 3: Cross multiply
    7,890,304.80x = 11,827,292.40 × 4,288,461.60
  4. Step 4: Simplify right side
    7,890,304.80x = 50,720,889,289,371.84
  5. Step 5: Solve for x
    x = 50,720,889,289,371.84/7,890,304.80
  6. Step 6: Final answer
    x = 6,428,254.75

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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.