Home / 8,720,018.70-13,072,461.22-4,398,461.41

Finding the Fourth Proportional to 8,720,018.70, 13,072,461.22 and 4,398,461.41

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Solution

The fourth proportional to 8,720,018.70, 13,072,461.22 and 4,398,461.41 is: 6,593,875.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720,018.70 : 13,072,461.22 = 4,398,461.41 : x
  2. Step 2: Convert to fraction form
    8,720,018.70/13,072,461.22 = 4,398,461.41/x
  3. Step 3: Cross multiply
    8,720,018.70x = 13,072,461.22 × 4,398,461.41
  4. Step 4: Simplify right side
    8,720,018.70x = 57,498,716,209,891.52
  5. Step 5: Solve for x
    x = 57,498,716,209,891.52/8,720,018.70
  6. Step 6: Final answer
    x = 6,593,875.33

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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.