Home / 30,580,143.87-45,886,208.24-12,386,261.24

Finding the Fourth Proportional to 30,580,143.87, 45,886,208.24 and 12,386,261.24

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Solution

The fourth proportional to 30,580,143.87, 45,886,208.24 and 12,386,261.24 is: 18,585,869.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,580,143.87 : 45,886,208.24 = 12,386,261.24 : x
  2. Step 2: Convert to fraction form
    30,580,143.87/45,886,208.24 = 12,386,261.24/x
  3. Step 3: Cross multiply
    30,580,143.87x = 45,886,208.24 × 12,386,261.24
  4. Step 4: Simplify right side
    30,580,143.87x = 568,358,562,282,318.25
  5. Step 5: Solve for x
    x = 568,358,562,282,318.25/30,580,143.87
  6. Step 6: Final answer
    x = 18,585,869.47

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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.