Home / 6,688,085.60-10,032,128.40-4,812,514.40

Finding the Fourth Proportional to 6,688,085.60, 10,032,128.40 and 4,812,514.40

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Solution

The fourth proportional to 6,688,085.60, 10,032,128.40 and 4,812,514.40 is: 7,218,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688,085.60 : 10,032,128.40 = 4,812,514.40 : x
  2. Step 2: Convert to fraction form
    6,688,085.60/10,032,128.40 = 4,812,514.40/x
  3. Step 3: Cross multiply
    6,688,085.60x = 10,032,128.40 × 4,812,514.40
  4. Step 4: Simplify right side
    6,688,085.60x = 48,279,762,387,648.97
  5. Step 5: Solve for x
    x = 48,279,762,387,648.97/6,688,085.60
  6. Step 6: Final answer
    x = 7,218,771.60

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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.