Home / 15,257,590.88-21,055,483.91-8,382,515.81

Finding the Fourth Proportional to 15,257,590.88, 21,055,483.91 and 8,382,515.81

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Solution

The fourth proportional to 15,257,590.88, 21,055,483.91 and 8,382,515.81 is: 11,567,876.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,257,590.88 : 21,055,483.91 = 8,382,515.81 : x
  2. Step 2: Convert to fraction form
    15,257,590.88/21,055,483.91 = 8,382,515.81/x
  3. Step 3: Cross multiply
    15,257,590.88x = 21,055,483.91 × 8,382,515.81
  4. Step 4: Simplify right side
    15,257,590.88x = 176,497,926,678,454.50
  5. Step 5: Solve for x
    x = 176,497,926,678,454.50/15,257,590.88
  6. Step 6: Final answer
    x = 11,567,876.48

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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.