Home / 30,383,776.06-41,929,607.85-16,445,128.72

Finding the Fourth Proportional to 30,383,776.06, 41,929,607.85 and 16,445,128.72

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Solution

The fourth proportional to 30,383,776.06, 41,929,607.85 and 16,445,128.72 is: 22,694,275.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,383,776.06 : 41,929,607.85 = 16,445,128.72 : x
  2. Step 2: Convert to fraction form
    30,383,776.06/41,929,607.85 = 16,445,128.72/x
  3. Step 3: Cross multiply
    30,383,776.06x = 41,929,607.85 × 16,445,128.72
  4. Step 4: Simplify right side
    30,383,776.06x = 689,537,798,272,372.50
  5. Step 5: Solve for x
    x = 689,537,798,272,372.50/30,383,776.06
  6. Step 6: Final answer
    x = 22,694,275.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.