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Finding the Fourth Proportional to 14,318,042.51, 19,758,823.93 and 7,791,718.68

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Solution

The fourth proportional to 14,318,042.51, 19,758,823.93 and 7,791,718.68 is: 10,752,531.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318,042.51 : 19,758,823.93 = 7,791,718.68 : x
  2. Step 2: Convert to fraction form
    14,318,042.51/19,758,823.93 = 7,791,718.68/x
  3. Step 3: Cross multiply
    14,318,042.51x = 19,758,823.93 × 7,791,718.68
  4. Step 4: Simplify right side
    14,318,042.51x = 153,955,197,398,229.22
  5. Step 5: Solve for x
    x = 153,955,197,398,229.22/14,318,042.51
  6. Step 6: Final answer
    x = 10,752,531.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.