Home / 8,785,461.42-12,124,189.83-4,917,959.58

Finding the Fourth Proportional to 8,785,461.42, 12,124,189.83 and 4,917,959.58

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Solution

The fourth proportional to 8,785,461.42, 12,124,189.83 and 4,917,959.58 is: 6,786,925.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785,461.42 : 12,124,189.83 = 4,917,959.58 : x
  2. Step 2: Convert to fraction form
    8,785,461.42/12,124,189.83 = 4,917,959.58/x
  3. Step 3: Cross multiply
    8,785,461.42x = 12,124,189.83 × 4,917,959.58
  4. Step 4: Simplify right side
    8,785,461.42x = 59,626,275,524,187.07
  5. Step 5: Solve for x
    x = 59,626,275,524,187.07/8,785,461.42
  6. Step 6: Final answer
    x = 6,786,925.89

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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.