Home / 13,110,367.65-18,086,567.78-12,502,532

Finding the Fourth Proportional to 13,110,367.65, 18,086,567.78 and 12,502,532

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Solution

The fourth proportional to 13,110,367.65, 18,086,567.78 and 12,502,532 is: 17,248,020.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110,367.65 : 18,086,567.78 = 12,502,532 : x
  2. Step 2: Convert to fraction form
    13,110,367.65/18,086,567.78 = 12,502,532/x
  3. Step 3: Cross multiply
    13,110,367.65x = 18,086,567.78 × 12,502,532
  4. Step 4: Simplify right side
    13,110,367.65x = 226,127,892,439,618.97
  5. Step 5: Solve for x
    x = 226,127,892,439,618.97/13,110,367.65
  6. Step 6: Final answer
    x = 17,248,020.69

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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.