Home / 12,861,323.19-17,748,580.60-6,980,957.79

Finding the Fourth Proportional to 12,861,323.19, 17,748,580.60 and 6,980,957.79

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Solution

The fourth proportional to 12,861,323.19, 17,748,580.60 and 6,980,957.79 is: 9,633,697.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,861,323.19 : 17,748,580.60 = 6,980,957.79 : x
  2. Step 2: Convert to fraction form
    12,861,323.19/17,748,580.60 = 6,980,957.79/x
  3. Step 3: Cross multiply
    12,861,323.19x = 17,748,580.60 × 6,980,957.79
  4. Step 4: Simplify right side
    12,861,323.19x = 123,902,092,001,012.89
  5. Step 5: Solve for x
    x = 123,902,092,001,012.89/12,861,323.19
  6. Step 6: Final answer
    x = 9,633,697.11

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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.