Home / 8,802,902.16-12,133,968.46-6,939,278.79

Finding the Fourth Proportional to 8,802,902.16, 12,133,968.46 and 6,939,278.79

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Solution

The fourth proportional to 8,802,902.16, 12,133,968.46 and 6,939,278.79 is: 9,565,139.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802,902.16 : 12,133,968.46 = 6,939,278.79 : x
  2. Step 2: Convert to fraction form
    8,802,902.16/12,133,968.46 = 6,939,278.79/x
  3. Step 3: Cross multiply
    8,802,902.16x = 12,133,968.46 × 6,939,278.79
  4. Step 4: Simplify right side
    8,802,902.16x = 84,200,989,973,006.97
  5. Step 5: Solve for x
    x = 84,200,989,973,006.97/8,802,902.16
  6. Step 6: Final answer
    x = 9,565,139.82

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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.