Home / 9,797,780.40-14,696,670.60-7,278,356.40

Finding the Fourth Proportional to 9,797,780.40, 14,696,670.60 and 7,278,356.40

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Solution

The fourth proportional to 9,797,780.40, 14,696,670.60 and 7,278,356.40 is: 10,917,534.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,797,780.40 : 14,696,670.60 = 7,278,356.40 : x
  2. Step 2: Convert to fraction form
    9,797,780.40/14,696,670.60 = 7,278,356.40/x
  3. Step 3: Cross multiply
    9,797,780.40x = 14,696,670.60 × 7,278,356.40
  4. Step 4: Simplify right side
    9,797,780.40x = 106,967,606,520,201.84
  5. Step 5: Solve for x
    x = 106,967,606,520,201.84/9,797,780.40
  6. Step 6: Final answer
    x = 10,917,534.60

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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.