Home / 18,917,784.16-28,376,676.61-4,540,851.95

Finding the Fourth Proportional to 18,917,784.16, 28,376,676.61 and 4,540,851.95

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Solution

The fourth proportional to 18,917,784.16, 28,376,676.61 and 4,540,851.95 is: 6,811,278.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,917,784.16 : 28,376,676.61 = 4,540,851.95 : x
  2. Step 2: Convert to fraction form
    18,917,784.16/28,376,676.61 = 4,540,851.95/x
  3. Step 3: Cross multiply
    18,917,784.16x = 28,376,676.61 × 4,540,851.95
  4. Step 4: Simplify right side
    18,917,784.16x = 128,854,287,319,037.89
  5. Step 5: Solve for x
    x = 128,854,287,319,037.89/18,917,784.16
  6. Step 6: Final answer
    x = 6,811,278.01

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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.