Home / 8,991,010.80-13,486,516.20-5,400,831.60

Finding the Fourth Proportional to 8,991,010.80, 13,486,516.20 and 5,400,831.60

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Solution

The fourth proportional to 8,991,010.80, 13,486,516.20 and 5,400,831.60 is: 8,101,247.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991,010.80 : 13,486,516.20 = 5,400,831.60 : x
  2. Step 2: Convert to fraction form
    8,991,010.80/13,486,516.20 = 5,400,831.60/x
  3. Step 3: Cross multiply
    8,991,010.80x = 13,486,516.20 × 5,400,831.60
  4. Step 4: Simplify right side
    8,991,010.80x = 72,838,402,866,871.91
  5. Step 5: Solve for x
    x = 72,838,402,866,871.91/8,991,010.80
  6. Step 6: Final answer
    x = 8,101,247.40

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1.5x scale

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.