Home / 13,855,804.47-19,121,676.62-7,660,736.55

Finding the Fourth Proportional to 13,855,804.47, 19,121,676.62 and 7,660,736.55

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Solution

The fourth proportional to 13,855,804.47, 19,121,676.62 and 7,660,736.55 is: 10,572,184.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,855,804.47 : 19,121,676.62 = 7,660,736.55 : x
  2. Step 2: Convert to fraction form
    13,855,804.47/19,121,676.62 = 7,660,736.55/x
  3. Step 3: Cross multiply
    13,855,804.47x = 19,121,676.62 × 7,660,736.55
  4. Step 4: Simplify right side
    13,855,804.47x = 146,486,126,941,810.75
  5. Step 5: Solve for x
    x = 146,486,126,941,810.75/13,855,804.47
  6. Step 6: Final answer
    x = 10,572,184.91

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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.