Home / 12,786,302.94-17,645,358.17-6,985,460.40

Finding the Fourth Proportional to 12,786,302.94, 17,645,358.17 and 6,985,460.40

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Solution

The fourth proportional to 12,786,302.94, 17,645,358.17 and 6,985,460.40 is: 9,640,077.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,786,302.94 : 17,645,358.17 = 6,985,460.40 : x
  2. Step 2: Convert to fraction form
    12,786,302.94/17,645,358.17 = 6,985,460.40/x
  3. Step 3: Cross multiply
    12,786,302.94x = 17,645,358.17 × 6,985,460.40
  4. Step 4: Simplify right side
    12,786,302.94x = 123,260,950,740,351.48
  5. Step 5: Solve for x
    x = 123,260,950,740,351.48/12,786,302.94
  6. Step 6: Final answer
    x = 9,640,077.46

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1.5x scale

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.