Home / 30,580,148.36-45,886,215.02-12,386,265.73

Finding the Fourth Proportional to 30,580,148.36, 45,886,215.02 and 12,386,265.73

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Solution

The fourth proportional to 30,580,148.36, 45,886,215.02 and 12,386,265.73 is: 18,585,876.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,580,148.36 : 45,886,215.02 = 12,386,265.73 : x
  2. Step 2: Convert to fraction form
    30,580,148.36/45,886,215.02 = 12,386,265.73/x
  3. Step 3: Cross multiply
    30,580,148.36x = 45,886,215.02 × 12,386,265.73
  4. Step 4: Simplify right side
    30,580,148.36x = 568,358,852,404,990.38
  5. Step 5: Solve for x
    x = 568,358,852,404,990.38/30,580,148.36
  6. Step 6: Final answer
    x = 18,585,876.22

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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.