Home / 28,041,602.40-42,062,403.60-26,340,991.20

Finding the Fourth Proportional to 28,041,602.40, 42,062,403.60 and 26,340,991.20

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Solution

The fourth proportional to 28,041,602.40, 42,062,403.60 and 26,340,991.20 is: 39,511,486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,041,602.40 : 42,062,403.60 = 26,340,991.20 : x
  2. Step 2: Convert to fraction form
    28,041,602.40/42,062,403.60 = 26,340,991.20/x
  3. Step 3: Cross multiply
    28,041,602.40x = 42,062,403.60 × 26,340,991.20
  4. Step 4: Simplify right side
    28,041,602.40x = 1,107,965,403,078,448.38
  5. Step 5: Solve for x
    x = 1,107,965,403,078,448.38/28,041,602.40
  6. Step 6: Final answer
    x = 39,511,486.80

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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.