Home / 15,785,664.48-21,784,236.24-8,542,320.48

Finding the Fourth Proportional to 15,785,664.48, 21,784,236.24 and 8,542,320.48

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Solution

The fourth proportional to 15,785,664.48, 21,784,236.24 and 8,542,320.48 is: 11,788,412.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,785,664.48 : 21,784,236.24 = 8,542,320.48 : x
  2. Step 2: Convert to fraction form
    15,785,664.48/21,784,236.24 = 8,542,320.48/x
  3. Step 3: Cross multiply
    15,785,664.48x = 21,784,236.24 × 8,542,320.48
  4. Step 4: Simplify right side
    15,785,664.48x = 186,087,927,374,110.19
  5. Step 5: Solve for x
    x = 186,087,927,374,110.19/15,785,664.48
  6. Step 6: Final answer
    x = 11,788,412.68

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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.