Home / 8,947,091.76-12,347,336.16-5,079,973.20

Finding the Fourth Proportional to 8,947,091.76, 12,347,336.16 and 5,079,973.20

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Solution

The fourth proportional to 8,947,091.76, 12,347,336.16 and 5,079,973.20 is: 7,010,561.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947,091.76 : 12,347,336.16 = 5,079,973.20 : x
  2. Step 2: Convert to fraction form
    8,947,091.76/12,347,336.16 = 5,079,973.20/x
  3. Step 3: Cross multiply
    8,947,091.76x = 12,347,336.16 × 5,079,973.20
  4. Step 4: Simplify right side
    8,947,091.76x = 62,724,136,784,190.91
  5. Step 5: Solve for x
    x = 62,724,136,784,190.91/8,947,091.76
  6. Step 6: Final answer
    x = 7,010,561.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.