Home / 12,417,606.76-18,638,422.92-8,962,908.16

Finding the Fourth Proportional to 12,417,606.76, 18,638,422.92 and 8,962,908.16

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Solution

The fourth proportional to 12,417,606.76, 18,638,422.92 and 8,962,908.16 is: 13,453,032.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,417,606.76 : 18,638,422.92 = 8,962,908.16 : x
  2. Step 2: Convert to fraction form
    12,417,606.76/18,638,422.92 = 8,962,908.16/x
  3. Step 3: Cross multiply
    12,417,606.76x = 18,638,422.92 × 8,962,908.16
  4. Step 4: Simplify right side
    12,417,606.76x = 167,054,472,879,199.03
  5. Step 5: Solve for x
    x = 167,054,472,879,199.03/12,417,606.76
  6. Step 6: Final answer
    x = 13,453,032.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.