Home / 27,217,813.60-40,826,720.40-12,071,745.10

Finding the Fourth Proportional to 27,217,813.60, 40,826,720.40 and 12,071,745.10

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Solution

The fourth proportional to 27,217,813.60, 40,826,720.40 and 12,071,745.10 is: 18,107,617.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,217,813.60 : 40,826,720.40 = 12,071,745.10 : x
  2. Step 2: Convert to fraction form
    27,217,813.60/40,826,720.40 = 12,071,745.10/x
  3. Step 3: Cross multiply
    27,217,813.60x = 40,826,720.40 × 12,071,745.10
  4. Step 4: Simplify right side
    27,217,813.60x = 492,849,761,937,770
  5. Step 5: Solve for x
    x = 492,849,761,937,770/27,217,813.60
  6. Step 6: Final answer
    x = 18,107,617.65

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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.