Home / 14,205,440.80-21,309,716.40-13,757,543.20

Finding the Fourth Proportional to 14,205,440.80, 21,309,716.40 and 13,757,543.20

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Solution

The fourth proportional to 14,205,440.80, 21,309,716.40 and 13,757,543.20 is: 20,637,820.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205,440.80 : 21,309,716.40 = 13,757,543.20 : x
  2. Step 2: Convert to fraction form
    14,205,440.80/21,309,716.40 = 13,757,543.20/x
  3. Step 3: Cross multiply
    14,205,440.80x = 21,309,716.40 × 13,757,543.20
  4. Step 4: Simplify right side
    14,205,440.80x = 293,169,343,952,748.44
  5. Step 5: Solve for x
    x = 293,169,343,952,748.44/14,205,440.80
  6. Step 6: Final answer
    x = 20,637,820.96

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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.