Home / 8,909,856.80-13,364,785.20-6,409,095.20

Finding the Fourth Proportional to 8,909,856.80, 13,364,785.20 and 6,409,095.20

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Solution

The fourth proportional to 8,909,856.80, 13,364,785.20 and 6,409,095.20 is: 9,613,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909,856.80 : 13,364,785.20 = 6,409,095.20 : x
  2. Step 2: Convert to fraction form
    8,909,856.80/13,364,785.20 = 6,409,095.20/x
  3. Step 3: Cross multiply
    8,909,856.80x = 13,364,785.20 × 6,409,095.20
  4. Step 4: Simplify right side
    8,909,856.80x = 85,656,180,674,351.03
  5. Step 5: Solve for x
    x = 85,656,180,674,351.03/8,909,856.80
  6. Step 6: Final answer
    x = 9,613,642.80

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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.