Home / 12,528,026.10-18,795,538.35-6,138,486.90

Finding the Fourth Proportional to 12,528,026.10, 18,795,538.35 and 6,138,486.90

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Solution

The fourth proportional to 12,528,026.10, 18,795,538.35 and 6,138,486.90 is: 9,209,444.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,026.10 : 18,795,538.35 = 6,138,486.90 : x
  2. Step 2: Convert to fraction form
    12,528,026.10/18,795,538.35 = 6,138,486.90/x
  3. Step 3: Cross multiply
    12,528,026.10x = 18,795,538.35 × 6,138,486.90
  4. Step 4: Simplify right side
    12,528,026.10x = 115,376,165,939,922.62
  5. Step 5: Solve for x
    x = 115,376,165,939,922.62/12,528,026.10
  6. Step 6: Final answer
    x = 9,209,444.89

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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.