Home / 30,020,851.19-45,034,920.57-8,455,452.91

Finding the Fourth Proportional to 30,020,851.19, 45,034,920.57 and 8,455,452.91

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Solution

The fourth proportional to 30,020,851.19, 45,034,920.57 and 8,455,452.91 is: 12,684,205.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,020,851.19 : 45,034,920.57 = 8,455,452.91 : x
  2. Step 2: Convert to fraction form
    30,020,851.19/45,034,920.57 = 8,455,452.91/x
  3. Step 3: Cross multiply
    30,020,851.19x = 45,034,920.57 × 8,455,452.91
  4. Step 4: Simplify right side
    30,020,851.19x = 380,790,650,104,346
  5. Step 5: Solve for x
    x = 380,790,650,104,346/30,020,851.19
  6. Step 6: Final answer
    x = 12,684,205.64

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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.