Home / 8,759,802.80-13,134,001.80-7,864,007.60

Finding the Fourth Proportional to 8,759,802.80, 13,134,001.80 and 7,864,007.60

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Solution

The fourth proportional to 8,759,802.80, 13,134,001.80 and 7,864,007.60 is: 11,790,892.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759,802.80 : 13,134,001.80 = 7,864,007.60 : x
  2. Step 2: Convert to fraction form
    8,759,802.80/13,134,001.80 = 7,864,007.60/x
  3. Step 3: Cross multiply
    8,759,802.80x = 13,134,001.80 × 7,864,007.60
  4. Step 4: Simplify right side
    8,759,802.80x = 103,285,889,973,613.69
  5. Step 5: Solve for x
    x = 103,285,889,973,613.69/8,759,802.80
  6. Step 6: Final answer
    x = 11,790,892.14

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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.