Home / 8,986,215.60-13,479,323.40-6,435,298.80

Finding the Fourth Proportional to 8,986,215.60, 13,479,323.40 and 6,435,298.80

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Solution

The fourth proportional to 8,986,215.60, 13,479,323.40 and 6,435,298.80 is: 9,652,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986,215.60 : 13,479,323.40 = 6,435,298.80 : x
  2. Step 2: Convert to fraction form
    8,986,215.60/13,479,323.40 = 6,435,298.80/x
  3. Step 3: Cross multiply
    8,986,215.60x = 13,479,323.40 × 6,435,298.80
  4. Step 4: Simplify right side
    8,986,215.60x = 86,743,473,700,831.92
  5. Step 5: Solve for x
    x = 86,743,473,700,831.92/8,986,215.60
  6. Step 6: Final answer
    x = 9,652,948.20

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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.