Home / 12,830,674.78-17,706,345.42-7,029,827.38

Finding the Fourth Proportional to 12,830,674.78, 17,706,345.42 and 7,029,827.38

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Solution

The fourth proportional to 12,830,674.78, 17,706,345.42 and 7,029,827.38 is: 9,701,169.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,830,674.78 : 17,706,345.42 = 7,029,827.38 : x
  2. Step 2: Convert to fraction form
    12,830,674.78/17,706,345.42 = 7,029,827.38/x
  3. Step 3: Cross multiply
    12,830,674.78x = 17,706,345.42 × 7,029,827.38
  4. Step 4: Simplify right side
    12,830,674.78x = 124,472,551,833,253.61
  5. Step 5: Solve for x
    x = 124,472,551,833,253.61/12,830,674.78
  6. Step 6: Final answer
    x = 9,701,169.58

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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.