Home / 8,085,689.70-12,128,534.55-5,959,925.70

Finding the Fourth Proportional to 8,085,689.70, 12,128,534.55 and 5,959,925.70

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Solution

The fourth proportional to 8,085,689.70, 12,128,534.55 and 5,959,925.70 is: 8,939,888.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,689.70 : 12,128,534.55 = 5,959,925.70 : x
  2. Step 2: Convert to fraction form
    8,085,689.70/12,128,534.55 = 5,959,925.70/x
  3. Step 3: Cross multiply
    8,085,689.70x = 12,128,534.55 × 5,959,925.70
  4. Step 4: Simplify right side
    8,085,689.70x = 72,285,164,767,882.94
  5. Step 5: Solve for x
    x = 72,285,164,767,882.94/8,085,689.70
  6. Step 6: Final answer
    x = 8,939,888.55

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Similar ratio
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1.5x scale

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.