Home / 42,606,009.60-63,909,014.40-25,557,907.20

Finding the Fourth Proportional to 42,606,009.60, 63,909,014.40 and 25,557,907.20

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Solution

The fourth proportional to 42,606,009.60, 63,909,014.40 and 25,557,907.20 is: 38,336,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,606,009.60 : 63,909,014.40 = 25,557,907.20 : x
  2. Step 2: Convert to fraction form
    42,606,009.60/63,909,014.40 = 25,557,907.20/x
  3. Step 3: Cross multiply
    42,606,009.60x = 63,909,014.40 × 25,557,907.20
  4. Step 4: Simplify right side
    42,606,009.60x = 1,633,380,659,278,663.50
  5. Step 5: Solve for x
    x = 1,633,380,659,278,663.50/42,606,009.60
  6. Step 6: Final answer
    x = 38,336,860.80

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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.