Home / 18,216,155.34-27,328,717.44-12,835,315.08

Finding the Fourth Proportional to 18,216,155.34, 27,328,717.44 and 12,835,315.08

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Solution

The fourth proportional to 18,216,155.34, 27,328,717.44 and 12,835,315.08 is: 19,256,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216,155.34 : 27,328,717.44 = 12,835,315.08 : x
  2. Step 2: Convert to fraction form
    18,216,155.34/27,328,717.44 = 12,835,315.08/x
  3. Step 3: Cross multiply
    18,216,155.34x = 27,328,717.44 × 12,835,315.08
  4. Step 4: Simplify right side
    18,216,155.34x = 350,772,699,074,691
  5. Step 5: Solve for x
    x = 350,772,699,074,691/18,216,155.34
  6. Step 6: Final answer
    x = 19,256,132.40

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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.