Home / 8,729,678.59-12,047,896.11-4,809,828.79

Finding the Fourth Proportional to 8,729,678.59, 12,047,896.11 and 4,809,828.79

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Solution

The fourth proportional to 8,729,678.59, 12,047,896.11 and 4,809,828.79 is: 6,638,081.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729,678.59 : 12,047,896.11 = 4,809,828.79 : x
  2. Step 2: Convert to fraction form
    8,729,678.59/12,047,896.11 = 4,809,828.79/x
  3. Step 3: Cross multiply
    8,729,678.59x = 12,047,896.11 × 4,809,828.79
  4. Step 4: Simplify right side
    8,729,678.59x = 57,948,317,507,079.02
  5. Step 5: Solve for x
    x = 57,948,317,507,079.02/8,729,678.59
  6. Step 6: Final answer
    x = 6,638,081.45

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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.