Home / 6,147,807.30-9,227,287.80-3,117,281.40

Finding the Fourth Proportional to 6,147,807.30, 9,227,287.80 and 3,117,281.40

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Solution

The fourth proportional to 6,147,807.30, 9,227,287.80 and 3,117,281.40 is: 4,678,749.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147,807.30 : 9,227,287.80 = 3,117,281.40 : x
  2. Step 2: Convert to fraction form
    6,147,807.30/9,227,287.80 = 3,117,281.40/x
  3. Step 3: Cross multiply
    6,147,807.30x = 9,227,287.80 × 3,117,281.40
  4. Step 4: Simplify right side
    6,147,807.30x = 28,764,052,631,386.92
  5. Step 5: Solve for x
    x = 28,764,052,631,386.92/6,147,807.30
  6. Step 6: Final answer
    x = 4,678,749.87

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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.