Home / 18,709,972.26-28,065,964.43-5,931,473.41

Finding the Fourth Proportional to 18,709,972.26, 28,065,964.43 and 5,931,473.41

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Solution

The fourth proportional to 18,709,972.26, 28,065,964.43 and 5,931,473.41 is: 8,897,529.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709,972.26 : 28,065,964.43 = 5,931,473.41 : x
  2. Step 2: Convert to fraction form
    18,709,972.26/28,065,964.43 = 5,931,473.41/x
  3. Step 3: Cross multiply
    18,709,972.26x = 28,065,964.43 × 5,931,473.41
  4. Step 4: Simplify right side
    18,709,972.26x = 166,472,521,742,550.81
  5. Step 5: Solve for x
    x = 166,472,521,742,550.81/18,709,972.26
  6. Step 6: Final answer
    x = 8,897,529.05

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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.