Home / 28,342,069.14-42,519,849.63-9,172,826.26

Finding the Fourth Proportional to 28,342,069.14, 42,519,849.63 and 9,172,826.26

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Solution

The fourth proportional to 28,342,069.14, 42,519,849.63 and 9,172,826.26 is: 13,761,422.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,342,069.14 : 42,519,849.63 = 9,172,826.26 : x
  2. Step 2: Convert to fraction form
    28,342,069.14/42,519,849.63 = 9,172,826.26/x
  3. Step 3: Cross multiply
    28,342,069.14x = 42,519,849.63 × 9,172,826.26
  4. Step 4: Simplify right side
    28,342,069.14x = 390,027,193,257,315.31
  5. Step 5: Solve for x
    x = 390,027,193,257,315.31/28,342,069.14
  6. Step 6: Final answer
    x = 13,761,422.69

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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.