Home / 8,686,253.90-11,987,044.50-4,818,775.19

Finding the Fourth Proportional to 8,686,253.90, 11,987,044.50 and 4,818,775.19

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Solution

The fourth proportional to 8,686,253.90, 11,987,044.50 and 4,818,775.19 is: 6,649,917.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686,253.90 : 11,987,044.50 = 4,818,775.19 : x
  2. Step 2: Convert to fraction form
    8,686,253.90/11,987,044.50 = 4,818,775.19/x
  3. Step 3: Cross multiply
    8,686,253.90x = 11,987,044.50 × 4,818,775.19
  4. Step 4: Simplify right side
    8,686,253.90x = 57,762,872,596,161.13
  5. Step 5: Solve for x
    x = 57,762,872,596,161.13/8,686,253.90
  6. Step 6: Final answer
    x = 6,649,917.59

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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.