Home / 12,074,846.40-18,065,030.40-7,823,318.40

Finding the Fourth Proportional to 12,074,846.40, 18,065,030.40 and 7,823,318.40

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Solution

The fourth proportional to 12,074,846.40, 18,065,030.40 and 7,823,318.40 is: 11,704,371.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074,846.40 : 18,065,030.40 = 7,823,318.40 : x
  2. Step 2: Convert to fraction form
    12,074,846.40/18,065,030.40 = 7,823,318.40/x
  3. Step 3: Cross multiply
    12,074,846.40x = 18,065,030.40 × 7,823,318.40
  4. Step 4: Simplify right side
    12,074,846.40x = 141,328,484,724,879.34
  5. Step 5: Solve for x
    x = 141,328,484,724,879.34/12,074,846.40
  6. Step 6: Final answer
    x = 11,704,371.22

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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.