Home / 10,643,246.70-15,964,870.05-7,284,014.70

Finding the Fourth Proportional to 10,643,246.70, 15,964,870.05 and 7,284,014.70

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Solution

The fourth proportional to 10,643,246.70, 15,964,870.05 and 7,284,014.70 is: 10,926,022.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643,246.70 : 15,964,870.05 = 7,284,014.70 : x
  2. Step 2: Convert to fraction form
    10,643,246.70/15,964,870.05 = 7,284,014.70/x
  3. Step 3: Cross multiply
    10,643,246.70x = 15,964,870.05 × 7,284,014.70
  4. Step 4: Simplify right side
    10,643,246.70x = 116,288,348,127,789.75
  5. Step 5: Solve for x
    x = 116,288,348,127,789.75/10,643,246.70
  6. Step 6: Final answer
    x = 10,926,022.05

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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.