Home / 21,782,055.60-32,673,083.40-20,790,032.40

Finding the Fourth Proportional to 21,782,055.60, 32,673,083.40 and 20,790,032.40

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Solution

The fourth proportional to 21,782,055.60, 32,673,083.40 and 20,790,032.40 is: 31,185,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,782,055.60 : 32,673,083.40 = 20,790,032.40 : x
  2. Step 2: Convert to fraction form
    21,782,055.60/32,673,083.40 = 20,790,032.40/x
  3. Step 3: Cross multiply
    21,782,055.60x = 32,673,083.40 × 20,790,032.40
  4. Step 4: Simplify right side
    21,782,055.60x = 679,274,462,493,902.12
  5. Step 5: Solve for x
    x = 679,274,462,493,902.12/21,782,055.60
  6. Step 6: Final answer
    x = 31,185,048.60

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1.5x scale

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.