Home / 19,723,847.80-29,536,005.30-15,742,535.80

Finding the Fourth Proportional to 19,723,847.80, 29,536,005.30 and 15,742,535.80

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Solution

The fourth proportional to 19,723,847.80, 29,536,005.30 and 15,742,535.80 is: 23,574,082.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,723,847.80 : 29,536,005.30 = 15,742,535.80 : x
  2. Step 2: Convert to fraction form
    19,723,847.80/29,536,005.30 = 15,742,535.80/x
  3. Step 3: Cross multiply
    19,723,847.80x = 29,536,005.30 × 15,742,535.80
  4. Step 4: Simplify right side
    19,723,847.80x = 464,971,620,824,239.75
  5. Step 5: Solve for x
    x = 464,971,620,824,239.75/19,723,847.80
  6. Step 6: Final answer
    x = 23,574,082.78

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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.