Home / 20,723,323.90-31,084,985.86-19,462,575.10

Finding the Fourth Proportional to 20,723,323.90, 31,084,985.86 and 19,462,575.10

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Solution

The fourth proportional to 20,723,323.90, 31,084,985.86 and 19,462,575.10 is: 29,193,862.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723,323.90 : 31,084,985.86 = 19,462,575.10 : x
  2. Step 2: Convert to fraction form
    20,723,323.90/31,084,985.86 = 19,462,575.10/x
  3. Step 3: Cross multiply
    20,723,323.90x = 31,084,985.86 × 19,462,575.10
  4. Step 4: Simplify right side
    20,723,323.90x = 604,993,871,782,688.12
  5. Step 5: Solve for x
    x = 604,993,871,782,688.12/20,723,323.90
  6. Step 6: Final answer
    x = 29,193,862.66

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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.