Home / 7,122,872.48-9,829,744.80-4,371,079.76

Finding the Fourth Proportional to 7,122,872.48, 9,829,744.80 and 4,371,079.76

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Solution

The fourth proportional to 7,122,872.48, 9,829,744.80 and 4,371,079.76 is: 6,032,201.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122,872.48 : 9,829,744.80 = 4,371,079.76 : x
  2. Step 2: Convert to fraction form
    7,122,872.48/9,829,744.80 = 4,371,079.76/x
  3. Step 3: Cross multiply
    7,122,872.48x = 9,829,744.80 × 4,371,079.76
  4. Step 4: Simplify right side
    7,122,872.48x = 42,966,598,541,245.25
  5. Step 5: Solve for x
    x = 42,966,598,541,245.25/7,122,872.48
  6. Step 6: Final answer
    x = 6,032,201.01

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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.