Home / 30,580,144.87-45,886,209.74-12,386,262.24

Finding the Fourth Proportional to 30,580,144.87, 45,886,209.74 and 12,386,262.24

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Solution

The fourth proportional to 30,580,144.87, 45,886,209.74 and 12,386,262.24 is: 18,585,870.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,580,144.87 : 45,886,209.74 = 12,386,262.24 : x
  2. Step 2: Convert to fraction form
    30,580,144.87/45,886,209.74 = 12,386,262.24/x
  3. Step 3: Cross multiply
    30,580,144.87x = 45,886,209.74 × 12,386,262.24
  4. Step 4: Simplify right side
    30,580,144.87x = 568,358,627,039,282.25
  5. Step 5: Solve for x
    x = 568,358,627,039,282.25/30,580,144.87
  6. Step 6: Final answer
    x = 18,585,870.98

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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.