Home / 30,591,497.91-45,888,771.65-8,735,118.87

Finding the Fourth Proportional to 30,591,497.91, 45,888,771.65 and 8,735,118.87

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Solution

The fourth proportional to 30,591,497.91, 45,888,771.65 and 8,735,118.87 is: 13,103,113.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,591,497.91 : 45,888,771.65 = 8,735,118.87 : x
  2. Step 2: Convert to fraction form
    30,591,497.91/45,888,771.65 = 8,735,118.87/x
  3. Step 3: Cross multiply
    30,591,497.91x = 45,888,771.65 × 8,735,118.87
  4. Step 4: Simplify right side
    30,591,497.91x = 400,843,875,289,443.31
  5. Step 5: Solve for x
    x = 400,843,875,289,443.31/30,591,497.91
  6. Step 6: Final answer
    x = 13,103,113.70

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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.