Home / 12,904,503.69-17,808,685.03-7,023,853.77

Finding the Fourth Proportional to 12,904,503.69, 17,808,685.03 and 7,023,853.77

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Solution

The fourth proportional to 12,904,503.69, 17,808,685.03 and 7,023,853.77 is: 9,693,173.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904,503.69 : 17,808,685.03 = 7,023,853.77 : x
  2. Step 2: Convert to fraction form
    12,904,503.69/17,808,685.03 = 7,023,853.77/x
  3. Step 3: Cross multiply
    12,904,503.69x = 17,808,685.03 × 7,023,853.77
  4. Step 4: Simplify right side
    12,904,503.69x = 125,085,599,486,708.06
  5. Step 5: Solve for x
    x = 125,085,599,486,708.06/12,904,503.69
  6. Step 6: Final answer
    x = 9,693,173.99

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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.