Home / 8,541,283.63-11,776,279.48-7,128,834.62

Finding the Fourth Proportional to 8,541,283.63, 11,776,279.48 and 7,128,834.62

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Solution

The fourth proportional to 8,541,283.63, 11,776,279.48 and 7,128,834.62 is: 9,828,867.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541,283.63 : 11,776,279.48 = 7,128,834.62 : x
  2. Step 2: Convert to fraction form
    8,541,283.63/11,776,279.48 = 7,128,834.62/x
  3. Step 3: Cross multiply
    8,541,283.63x = 11,776,279.48 × 7,128,834.62
  4. Step 4: Simplify right side
    8,541,283.63x = 83,951,148,819,277.16
  5. Step 5: Solve for x
    x = 83,951,148,819,277.16/8,541,283.63
  6. Step 6: Final answer
    x = 9,828,867.94

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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.