Home / 18,617,009.10-27,925,513.65-4,970,129.10

Finding the Fourth Proportional to 18,617,009.10, 27,925,513.65 and 4,970,129.10

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Solution

The fourth proportional to 18,617,009.10, 27,925,513.65 and 4,970,129.10 is: 7,455,193.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,617,009.10 : 27,925,513.65 = 4,970,129.10 : x
  2. Step 2: Convert to fraction form
    18,617,009.10/27,925,513.65 = 4,970,129.10/x
  3. Step 3: Cross multiply
    18,617,009.10x = 27,925,513.65 × 4,970,129.10
  4. Step 4: Simplify right side
    18,617,009.10x = 138,793,408,024,312.20
  5. Step 5: Solve for x
    x = 138,793,408,024,312.20/18,617,009.10
  6. Step 6: Final answer
    x = 7,455,193.65

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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.