Home / 9,345,497.31-12,897,960.89-5,424,410.43

Finding the Fourth Proportional to 9,345,497.31, 12,897,960.89 and 5,424,410.43

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Solution

The fourth proportional to 9,345,497.31, 12,897,960.89 and 5,424,410.43 is: 7,486,368.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,345,497.31 : 12,897,960.89 = 5,424,410.43 : x
  2. Step 2: Convert to fraction form
    9,345,497.31/12,897,960.89 = 5,424,410.43/x
  3. Step 3: Cross multiply
    9,345,497.31x = 12,897,960.89 × 5,424,410.43
  4. Step 4: Simplify right side
    9,345,497.31x = 69,963,833,550,326.02
  5. Step 5: Solve for x
    x = 69,963,833,550,326.02/9,345,497.31
  6. Step 6: Final answer
    x = 7,486,368.17

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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.