Home / 9,151,711.48-12,628,939.80-5,021,642.17

Finding the Fourth Proportional to 9,151,711.48, 12,628,939.80 and 5,021,642.17

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Solution

The fourth proportional to 9,151,711.48, 12,628,939.80 and 5,021,642.17 is: 6,929,634.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151,711.48 : 12,628,939.80 = 5,021,642.17 : x
  2. Step 2: Convert to fraction form
    9,151,711.48/12,628,939.80 = 5,021,642.17/x
  3. Step 3: Cross multiply
    9,151,711.48x = 12,628,939.80 × 5,021,642.17
  4. Step 4: Simplify right side
    9,151,711.48x = 63,418,016,662,071.37
  5. Step 5: Solve for x
    x = 63,418,016,662,071.37/9,151,711.48
  6. Step 6: Final answer
    x = 6,929,634.62

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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.