Home / 9,368,675.61-12,928,699.27-5,238,714.74

Finding the Fourth Proportional to 9,368,675.61, 12,928,699.27 and 5,238,714.74

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Solution

The fourth proportional to 9,368,675.61, 12,928,699.27 and 5,238,714.74 is: 7,229,385.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,368,675.61 : 12,928,699.27 = 5,238,714.74 : x
  2. Step 2: Convert to fraction form
    9,368,675.61/12,928,699.27 = 5,238,714.74/x
  3. Step 3: Cross multiply
    9,368,675.61x = 12,928,699.27 × 5,238,714.74
  4. Step 4: Simplify right side
    9,368,675.61x = 67,729,767,449,405.07
  5. Step 5: Solve for x
    x = 67,729,767,449,405.07/9,368,675.61
  6. Step 6: Final answer
    x = 7,229,385.48

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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.