Home / 11,428,477.47-15,766,809.15-6,531,072.21

Finding the Fourth Proportional to 11,428,477.47, 15,766,809.15 and 6,531,072.21

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Solution

The fourth proportional to 11,428,477.47, 15,766,809.15 and 6,531,072.21 is: 9,010,313.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,428,477.47 : 15,766,809.15 = 6,531,072.21 : x
  2. Step 2: Convert to fraction form
    11,428,477.47/15,766,809.15 = 6,531,072.21/x
  3. Step 3: Cross multiply
    11,428,477.47x = 15,766,809.15 × 6,531,072.21
  4. Step 4: Simplify right side
    11,428,477.47x = 102,974,169,079,938.72
  5. Step 5: Solve for x
    x = 102,974,169,079,938.72/11,428,477.47
  6. Step 6: Final answer
    x = 9,010,313.87

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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.