Home / 28,403,637.52-42,511,580.40-25,851,259.12

Finding the Fourth Proportional to 28,403,637.52, 42,511,580.40 and 25,851,259.12

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Solution

The fourth proportional to 28,403,637.52, 42,511,580.40 and 25,851,259.12 is: 38,691,448.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403,637.52 : 42,511,580.40 = 25,851,259.12 : x
  2. Step 2: Convert to fraction form
    28,403,637.52/42,511,580.40 = 25,851,259.12/x
  3. Step 3: Cross multiply
    28,403,637.52x = 42,511,580.40 × 25,851,259.12
  4. Step 4: Simplify right side
    28,403,637.52x = 1,098,977,880,521,113.25
  5. Step 5: Solve for x
    x = 1,098,977,880,521,113.25/28,403,637.52
  6. Step 6: Final answer
    x = 38,691,448.58

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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.