Home / 26,113,877.60-39,174,502.80-8,161,109.60

Finding the Fourth Proportional to 26,113,877.60, 39,174,502.80 and 8,161,109.60

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Solution

The fourth proportional to 26,113,877.60, 39,174,502.80 and 8,161,109.60 is: 12,242,816.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,113,877.60 : 39,174,502.80 = 8,161,109.60 : x
  2. Step 2: Convert to fraction form
    26,113,877.60/39,174,502.80 = 8,161,109.60/x
  3. Step 3: Cross multiply
    26,113,877.60x = 39,174,502.80 × 8,161,109.60
  4. Step 4: Simplify right side
    26,113,877.60x = 319,707,410,876,306.81
  5. Step 5: Solve for x
    x = 319,707,410,876,306.81/26,113,877.60
  6. Step 6: Final answer
    x = 12,242,816.47

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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.