Home / 15,284,574.19-21,092,711.66-8,408,908.63

Finding the Fourth Proportional to 15,284,574.19, 21,092,711.66 and 8,408,908.63

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Solution

The fourth proportional to 15,284,574.19, 21,092,711.66 and 8,408,908.63 is: 11,604,293.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284,574.19 : 21,092,711.66 = 8,408,908.63 : x
  2. Step 2: Convert to fraction form
    15,284,574.19/21,092,711.66 = 8,408,908.63/x
  3. Step 3: Cross multiply
    15,284,574.19x = 21,092,711.66 × 8,408,908.63
  4. Step 4: Simplify right side
    15,284,574.19x = 177,366,685,107,875.66
  5. Step 5: Solve for x
    x = 177,366,685,107,875.66/15,284,574.19
  6. Step 6: Final answer
    x = 11,604,293.51

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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.