Home / 30,331,576.60-45,497,364.90-8,766,881.80

Finding the Fourth Proportional to 30,331,576.60, 45,497,364.90 and 8,766,881.80

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Solution

The fourth proportional to 30,331,576.60, 45,497,364.90 and 8,766,881.80 is: 13,150,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,331,576.60 : 45,497,364.90 = 8,766,881.80 : x
  2. Step 2: Convert to fraction form
    30,331,576.60/45,497,364.90 = 8,766,881.80/x
  3. Step 3: Cross multiply
    30,331,576.60x = 45,497,364.90 × 8,766,881.80
  4. Step 4: Simplify right side
    30,331,576.60x = 398,870,020,289,768.81
  5. Step 5: Solve for x
    x = 398,870,020,289,768.81/30,331,576.60
  6. Step 6: Final answer
    x = 13,150,322.70

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1.5x scale

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.