Home / 11,565,689.72-15,960,746.28-6,409,137.36

Finding the Fourth Proportional to 11,565,689.72, 15,960,746.28 and 6,409,137.36

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Solution

The fourth proportional to 11,565,689.72, 15,960,746.28 and 6,409,137.36 is: 8,844,661.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565,689.72 : 15,960,746.28 = 6,409,137.36 : x
  2. Step 2: Convert to fraction form
    11,565,689.72/15,960,746.28 = 6,409,137.36/x
  3. Step 3: Cross multiply
    11,565,689.72x = 15,960,746.28 × 6,409,137.36
  4. Step 4: Simplify right side
    11,565,689.72x = 102,294,615,276,629.02
  5. Step 5: Solve for x
    x = 102,294,615,276,629.02/11,565,689.72
  6. Step 6: Final answer
    x = 8,844,661.91

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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.