Home / 19,008,001.20-28,512,001.80-17,083,700.40

Finding the Fourth Proportional to 19,008,001.20, 28,512,001.80 and 17,083,700.40

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Solution

The fourth proportional to 19,008,001.20, 28,512,001.80 and 17,083,700.40 is: 25,625,550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,001.20 : 28,512,001.80 = 17,083,700.40 : x
  2. Step 2: Convert to fraction form
    19,008,001.20/28,512,001.80 = 17,083,700.40/x
  3. Step 3: Cross multiply
    19,008,001.20x = 28,512,001.80 × 17,083,700.40
  4. Step 4: Simplify right side
    19,008,001.20x = 487,090,496,555,460.69
  5. Step 5: Solve for x
    x = 487,090,496,555,460.69/19,008,001.20
  6. Step 6: Final answer
    x = 25,625,550.60

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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.