Home / 26,352,129.60-39,528,194.40-10,178,827.20

Finding the Fourth Proportional to 26,352,129.60, 39,528,194.40 and 10,178,827.20

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Solution

The fourth proportional to 26,352,129.60, 39,528,194.40 and 10,178,827.20 is: 15,268,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,352,129.60 : 39,528,194.40 = 10,178,827.20 : x
  2. Step 2: Convert to fraction form
    26,352,129.60/39,528,194.40 = 10,178,827.20/x
  3. Step 3: Cross multiply
    26,352,129.60x = 39,528,194.40 × 10,178,827.20
  4. Step 4: Simplify right side
    26,352,129.60x = 402,350,660,325,607.62
  5. Step 5: Solve for x
    x = 402,350,660,325,607.62/26,352,129.60
  6. Step 6: Final answer
    x = 15,268,240.80

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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.