Home / 14,987,296.64-20,682,970-9,184,957.28

Finding the Fourth Proportional to 14,987,296.64, 20,682,970 and 9,184,957.28

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Solution

The fourth proportional to 14,987,296.64, 20,682,970 and 9,184,957.28 is: 12,675,547.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987,296.64 : 20,682,970 = 9,184,957.28 : x
  2. Step 2: Convert to fraction form
    14,987,296.64/20,682,970 = 9,184,957.28/x
  3. Step 3: Cross multiply
    14,987,296.64x = 20,682,970 × 9,184,957.28
  4. Step 4: Simplify right side
    14,987,296.64x = 189,972,195,873,521.59
  5. Step 5: Solve for x
    x = 189,972,195,873,521.59/14,987,296.64
  6. Step 6: Final answer
    x = 12,675,547.86

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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.