Home / 30,146,292.06-45,239,595.48-12,878,528.38

Finding the Fourth Proportional to 30,146,292.06, 45,239,595.48 and 12,878,528.38

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Solution

The fourth proportional to 30,146,292.06, 45,239,595.48 and 12,878,528.38 is: 19,326,403.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,146,292.06 : 45,239,595.48 = 12,878,528.38 : x
  2. Step 2: Convert to fraction form
    30,146,292.06/45,239,595.48 = 12,878,528.38/x
  3. Step 3: Cross multiply
    30,146,292.06x = 45,239,595.48 × 12,878,528.38
  4. Step 4: Simplify right side
    30,146,292.06x = 582,619,414,288,899.75
  5. Step 5: Solve for x
    x = 582,619,414,288,899.75/30,146,292.06
  6. Step 6: Final answer
    x = 19,326,403.83

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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.