Home / 17,966,486.80-26,949,730.20-5,187,408.40

Finding the Fourth Proportional to 17,966,486.80, 26,949,730.20 and 5,187,408.40

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Solution

The fourth proportional to 17,966,486.80, 26,949,730.20 and 5,187,408.40 is: 7,781,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,966,486.80 : 26,949,730.20 = 5,187,408.40 : x
  2. Step 2: Convert to fraction form
    17,966,486.80/26,949,730.20 = 5,187,408.40/x
  3. Step 3: Cross multiply
    17,966,486.80x = 26,949,730.20 × 5,187,408.40
  4. Step 4: Simplify right side
    17,966,486.80x = 139,799,256,817,213.69
  5. Step 5: Solve for x
    x = 139,799,256,817,213.69/17,966,486.80
  6. Step 6: Final answer
    x = 7,781,112.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.