Home / 12,958,394.61-17,882,478.36-7,078,032.75

Finding the Fourth Proportional to 12,958,394.61, 17,882,478.36 and 7,078,032.75

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Solution

The fourth proportional to 12,958,394.61, 17,882,478.36 and 7,078,032.75 is: 9,767,627.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,958,394.61 : 17,882,478.36 = 7,078,032.75 : x
  2. Step 2: Convert to fraction form
    12,958,394.61/17,882,478.36 = 7,078,032.75/x
  3. Step 3: Cross multiply
    12,958,394.61x = 17,882,478.36 × 7,078,032.75
  4. Step 4: Simplify right side
    12,958,394.61x = 126,572,767,483,246.28
  5. Step 5: Solve for x
    x = 126,572,767,483,246.28/12,958,394.61
  6. Step 6: Final answer
    x = 9,767,627.19

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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.