Home / 14,121,485.33-19,487,937.54-7,926,978.69

Finding the Fourth Proportional to 14,121,485.33, 19,487,937.54 and 7,926,978.69

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Solution

The fourth proportional to 14,121,485.33, 19,487,937.54 and 7,926,978.69 is: 10,939,392.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121,485.33 : 19,487,937.54 = 7,926,978.69 : x
  2. Step 2: Convert to fraction form
    14,121,485.33/19,487,937.54 = 7,926,978.69/x
  3. Step 3: Cross multiply
    14,121,485.33x = 19,487,937.54 × 7,926,978.69
  4. Step 4: Simplify right side
    14,121,485.33x = 154,480,465,576,767.94
  5. Step 5: Solve for x
    x = 154,480,465,576,767.94/14,121,485.33
  6. Step 6: Final answer
    x = 10,939,392.14

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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.