Home / 19,069,556.40-28,604,334.60-13,666,791.60

Finding the Fourth Proportional to 19,069,556.40, 28,604,334.60 and 13,666,791.60

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Solution

The fourth proportional to 19,069,556.40, 28,604,334.60 and 13,666,791.60 is: 20,500,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,069,556.40 : 28,604,334.60 = 13,666,791.60 : x
  2. Step 2: Convert to fraction form
    19,069,556.40/28,604,334.60 = 13,666,791.60/x
  3. Step 3: Cross multiply
    19,069,556.40x = 28,604,334.60 × 13,666,791.60
  4. Step 4: Simplify right side
    19,069,556.40x = 390,929,479,834,869.38
  5. Step 5: Solve for x
    x = 390,929,479,834,869.38/19,069,556.40
  6. Step 6: Final answer
    x = 20,500,187.40

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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.