Home / 12,288,509.60-16,957,987.13-7,061,455.26

Finding the Fourth Proportional to 12,288,509.60, 16,957,987.13 and 7,061,455.26

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Solution

The fourth proportional to 12,288,509.60, 16,957,987.13 and 7,061,455.26 is: 9,744,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,288,509.60 : 16,957,987.13 = 7,061,455.26 : x
  2. Step 2: Convert to fraction form
    12,288,509.60/16,957,987.13 = 7,061,455.26/x
  3. Step 3: Cross multiply
    12,288,509.60x = 16,957,987.13 × 7,061,455.26
  4. Step 4: Simplify right side
    12,288,509.60x = 119,748,067,435,804.44
  5. Step 5: Solve for x
    x = 119,748,067,435,804.44/12,288,509.60
  6. Step 6: Final answer
    x = 9,744,718.55

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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.