Home / 8,385,112.51-11,570,010.64-4,713,520.21

Finding the Fourth Proportional to 8,385,112.51, 11,570,010.64 and 4,713,520.21

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Solution

The fourth proportional to 8,385,112.51, 11,570,010.64 and 4,713,520.21 is: 6,503,845.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385,112.51 : 11,570,010.64 = 4,713,520.21 : x
  2. Step 2: Convert to fraction form
    8,385,112.51/11,570,010.64 = 4,713,520.21/x
  3. Step 3: Cross multiply
    8,385,112.51x = 11,570,010.64 × 4,713,520.21
  4. Step 4: Simplify right side
    8,385,112.51x = 54,535,478,981,555.04
  5. Step 5: Solve for x
    x = 54,535,478,981,555.04/8,385,112.51
  6. Step 6: Final answer
    x = 6,503,845.82

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Double scale
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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.