Home / 30,083,915.52-45,120,101.76-8,513,308.80

Finding the Fourth Proportional to 30,083,915.52, 45,120,101.76 and 8,513,308.80

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Solution

The fourth proportional to 30,083,915.52, 45,120,101.76 and 8,513,308.80 is: 12,768,329.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,083,915.52 : 45,120,101.76 = 8,513,308.80 : x
  2. Step 2: Convert to fraction form
    30,083,915.52/45,120,101.76 = 8,513,308.80/x
  3. Step 3: Cross multiply
    30,083,915.52x = 45,120,101.76 × 8,513,308.80
  4. Step 4: Simplify right side
    30,083,915.52x = 384,121,359,370,303.50
  5. Step 5: Solve for x
    x = 384,121,359,370,303.50/30,083,915.52
  6. Step 6: Final answer
    x = 12,768,329.94

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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.