Home / 19,723,806.30-29,535,943.05-15,742,494.30

Finding the Fourth Proportional to 19,723,806.30, 29,535,943.05 and 15,742,494.30

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Solution

The fourth proportional to 19,723,806.30, 29,535,943.05 and 15,742,494.30 is: 23,574,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,723,806.30 : 29,535,943.05 = 15,742,494.30 : x
  2. Step 2: Convert to fraction form
    19,723,806.30/29,535,943.05 = 15,742,494.30/x
  3. Step 3: Cross multiply
    19,723,806.30x = 29,535,943.05 × 15,742,494.30
  4. Step 4: Simplify right side
    19,723,806.30x = 464,969,415,109,749.62
  5. Step 5: Solve for x
    x = 464,969,415,109,749.62/19,723,806.30
  6. Step 6: Final answer
    x = 23,574,020.55

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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.