Home / 9,111,281.80-13,666,922.70-5,760,344.20

Finding the Fourth Proportional to 9,111,281.80, 13,666,922.70 and 5,760,344.20

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Solution

The fourth proportional to 9,111,281.80, 13,666,922.70 and 5,760,344.20 is: 8,640,516.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,111,281.80 : 13,666,922.70 = 5,760,344.20 : x
  2. Step 2: Convert to fraction form
    9,111,281.80/13,666,922.70 = 5,760,344.20/x
  3. Step 3: Cross multiply
    9,111,281.80x = 13,666,922.70 × 5,760,344.20
  4. Step 4: Simplify right side
    9,111,281.80x = 78,726,178,906,793.34
  5. Step 5: Solve for x
    x = 78,726,178,906,793.34/9,111,281.80
  6. Step 6: Final answer
    x = 8,640,516.30

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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.