Home / 15,270,026.45-21,073,038.77-8,394,681.65

Finding the Fourth Proportional to 15,270,026.45, 21,073,038.77 and 8,394,681.65

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Solution

The fourth proportional to 15,270,026.45, 21,073,038.77 and 8,394,681.65 is: 11,584,881.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,270,026.45 : 21,073,038.77 = 8,394,681.65 : x
  2. Step 2: Convert to fraction form
    15,270,026.45/21,073,038.77 = 8,394,681.65/x
  3. Step 3: Cross multiply
    15,270,026.45x = 21,073,038.77 × 8,394,681.65
  4. Step 4: Simplify right side
    15,270,026.45x = 176,901,451,787,879.09
  5. Step 5: Solve for x
    x = 176,901,451,787,879.09/15,270,026.45
  6. Step 6: Final answer
    x = 11,584,881.82

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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.