Home / 20,698,574.80-31,047,862.20-7,233,998.80

Finding the Fourth Proportional to 20,698,574.80, 31,047,862.20 and 7,233,998.80

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Solution

The fourth proportional to 20,698,574.80, 31,047,862.20 and 7,233,998.80 is: 10,850,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,698,574.80 : 31,047,862.20 = 7,233,998.80 : x
  2. Step 2: Convert to fraction form
    20,698,574.80/31,047,862.20 = 7,233,998.80/x
  3. Step 3: Cross multiply
    20,698,574.80x = 31,047,862.20 × 7,233,998.80
  4. Step 4: Simplify right side
    20,698,574.80x = 224,600,197,897,365.34
  5. Step 5: Solve for x
    x = 224,600,197,897,365.34/20,698,574.80
  6. Step 6: Final answer
    x = 10,850,998.20

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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.