Home / 18,189,337.66-25,109,470.16-11,998,050.01

Finding the Fourth Proportional to 18,189,337.66, 25,109,470.16 and 11,998,050.01

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Solution

The fourth proportional to 18,189,337.66, 25,109,470.16 and 11,998,050.01 is: 16,562,707.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,189,337.66 : 25,109,470.16 = 11,998,050.01 : x
  2. Step 2: Convert to fraction form
    18,189,337.66/25,109,470.16 = 11,998,050.01/x
  3. Step 3: Cross multiply
    18,189,337.66x = 25,109,470.16 × 11,998,050.01
  4. Step 4: Simplify right side
    18,189,337.66x = 301,264,678,626,511.50
  5. Step 5: Solve for x
    x = 301,264,678,626,511.50/18,189,337.66
  6. Step 6: Final answer
    x = 16,562,707.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.