Home / 7,072,190.73-9,767,032.88-4,872,772.35

Finding the Fourth Proportional to 7,072,190.73, 9,767,032.88 and 4,872,772.35

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Solution

The fourth proportional to 7,072,190.73, 9,767,032.88 and 4,872,772.35 is: 6,729,531.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072,190.73 : 9,767,032.88 = 4,872,772.35 : x
  2. Step 2: Convert to fraction form
    7,072,190.73/9,767,032.88 = 4,872,772.35/x
  3. Step 3: Cross multiply
    7,072,190.73x = 9,767,032.88 × 4,872,772.35
  4. Step 4: Simplify right side
    7,072,190.73x = 47,592,527,734,841
  5. Step 5: Solve for x
    x = 47,592,527,734,841/7,072,190.73
  6. Step 6: Final answer
    x = 6,729,531.14

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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.