Home / 15,153,310.08-20,911,305.60-8,277,615.36

Finding the Fourth Proportional to 15,153,310.08, 20,911,305.60 and 8,277,615.36

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Solution

The fourth proportional to 15,153,310.08, 20,911,305.60 and 8,277,615.36 is: 11,422,965.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,153,310.08 : 20,911,305.60 = 8,277,615.36 : x
  2. Step 2: Convert to fraction form
    15,153,310.08/20,911,305.60 = 8,277,615.36/x
  3. Step 3: Cross multiply
    15,153,310.08x = 20,911,305.60 × 8,277,615.36
  4. Step 4: Simplify right side
    15,153,310.08x = 173,095,744,432,214.03
  5. Step 5: Solve for x
    x = 173,095,744,432,214.03/15,153,310.08
  6. Step 6: Final answer
    x = 11,422,965.91

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1.5x scale

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.