Home / 20,803,966.80-31,145,124.60-14,831,998.80

Finding the Fourth Proportional to 20,803,966.80, 31,145,124.60 and 14,831,998.80

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Solution

The fourth proportional to 20,803,966.80, 31,145,124.60 and 14,831,998.80 is: 22,204,633.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,803,966.80 : 31,145,124.60 = 14,831,998.80 : x
  2. Step 2: Convert to fraction form
    20,803,966.80/31,145,124.60 = 14,831,998.80/x
  3. Step 3: Cross multiply
    20,803,966.80x = 31,145,124.60 × 14,831,998.80
  4. Step 4: Simplify right side
    20,803,966.80x = 461,944,450,693,050.50
  5. Step 5: Solve for x
    x = 461,944,450,693,050.50/20,803,966.80
  6. Step 6: Final answer
    x = 22,204,633.14

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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.