Home / 9,332,632.80-13,970,955.60-8,778,981.60

Finding the Fourth Proportional to 9,332,632.80, 13,970,955.60 and 8,778,981.60

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Solution

The fourth proportional to 9,332,632.80, 13,970,955.60 and 8,778,981.60 is: 13,142,139.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,332,632.80 : 13,970,955.60 = 8,778,981.60 : x
  2. Step 2: Convert to fraction form
    9,332,632.80/13,970,955.60 = 8,778,981.60/x
  3. Step 3: Cross multiply
    9,332,632.80x = 13,970,955.60 × 8,778,981.60
  4. Step 4: Simplify right side
    9,332,632.80x = 122,650,762,146,816.95
  5. Step 5: Solve for x
    x = 122,650,762,146,816.95/9,332,632.80
  6. Step 6: Final answer
    x = 13,142,139.50

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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.