Home / 7,453,762.12-11,181,177.12-1,988,828.20

Finding the Fourth Proportional to 7,453,762.12, 11,181,177.12 and 1,988,828.20

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Solution

The fourth proportional to 7,453,762.12, 11,181,177.12 and 1,988,828.20 is: 2,983,384.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,453,762.12 : 11,181,177.12 = 1,988,828.20 : x
  2. Step 2: Convert to fraction form
    7,453,762.12/11,181,177.12 = 1,988,828.20/x
  3. Step 3: Cross multiply
    7,453,762.12x = 11,181,177.12 × 1,988,828.20
  4. Step 4: Simplify right side
    7,453,762.12x = 22,237,440,365,450.78
  5. Step 5: Solve for x
    x = 22,237,440,365,450.78/7,453,762.12
  6. Step 6: Final answer
    x = 2,983,384.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.