Home / 18,221,267.18-25,144,150.47-10,485,060.86

Finding the Fourth Proportional to 18,221,267.18, 25,144,150.47 and 10,485,060.86

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Solution

The fourth proportional to 18,221,267.18, 25,144,150.47 and 10,485,060.86 is: 14,468,694.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,221,267.18 : 25,144,150.47 = 10,485,060.86 : x
  2. Step 2: Convert to fraction form
    18,221,267.18/25,144,150.47 = 10,485,060.86/x
  3. Step 3: Cross multiply
    18,221,267.18x = 25,144,150.47 × 10,485,060.86
  4. Step 4: Simplify right side
    18,221,267.18x = 263,637,947,950,947.56
  5. Step 5: Solve for x
    x = 263,637,947,950,947.56/18,221,267.18
  6. Step 6: Final answer
    x = 14,468,694.48

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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.