Home / 25,654,087.31-35,406,162.77-15,729,214.82

Finding the Fourth Proportional to 25,654,087.31, 35,406,162.77 and 15,729,214.82

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Solution

The fourth proportional to 25,654,087.31, 35,406,162.77 and 15,729,214.82 is: 21,708,476.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,654,087.31 : 35,406,162.77 = 15,729,214.82 : x
  2. Step 2: Convert to fraction form
    25,654,087.31/35,406,162.77 = 15,729,214.82/x
  3. Step 3: Cross multiply
    25,654,087.31x = 35,406,162.77 × 15,729,214.82
  4. Step 4: Simplify right side
    25,654,087.31x = 556,911,139,905,539.38
  5. Step 5: Solve for x
    x = 556,911,139,905,539.38/25,654,087.31
  6. Step 6: Final answer
    x = 21,708,476.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.