Home / 8,742,937.20-13,114,405.80-6,192,020.40

Finding the Fourth Proportional to 8,742,937.20, 13,114,405.80 and 6,192,020.40

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Solution

The fourth proportional to 8,742,937.20, 13,114,405.80 and 6,192,020.40 is: 9,288,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,937.20 : 13,114,405.80 = 6,192,020.40 : x
  2. Step 2: Convert to fraction form
    8,742,937.20/13,114,405.80 = 6,192,020.40/x
  3. Step 3: Cross multiply
    8,742,937.20x = 13,114,405.80 × 6,192,020.40
  4. Step 4: Simplify right side
    8,742,937.20x = 81,204,668,247,478.33
  5. Step 5: Solve for x
    x = 81,204,668,247,478.33/8,742,937.20
  6. Step 6: Final answer
    x = 9,288,030.60

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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.