Home / 14,122,686.65-19,489,954.86-7,843,242.69

Finding the Fourth Proportional to 14,122,686.65, 19,489,954.86 and 7,843,242.69

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Solution

The fourth proportional to 14,122,686.65, 19,489,954.86 and 7,843,242.69 is: 10,824,034.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122,686.65 : 19,489,954.86 = 7,843,242.69 : x
  2. Step 2: Convert to fraction form
    14,122,686.65/19,489,954.86 = 7,843,242.69/x
  3. Step 3: Cross multiply
    14,122,686.65x = 19,489,954.86 × 7,843,242.69
  4. Step 4: Simplify right side
    14,122,686.65x = 152,864,445,984,124.97
  5. Step 5: Solve for x
    x = 152,864,445,984,124.97/14,122,686.65
  6. Step 6: Final answer
    x = 10,824,034.39

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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.