Home / 10,018,500.80-13,825,557.78-5,434,822.40

Finding the Fourth Proportional to 10,018,500.80, 13,825,557.78 and 5,434,822.40

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Solution

The fourth proportional to 10,018,500.80, 13,825,557.78 and 5,434,822.40 is: 7,500,069.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018,500.80 : 13,825,557.78 = 5,434,822.40 : x
  2. Step 2: Convert to fraction form
    10,018,500.80/13,825,557.78 = 5,434,822.40/x
  3. Step 3: Cross multiply
    10,018,500.80x = 13,825,557.78 × 5,434,822.40
  4. Step 4: Simplify right side
    10,018,500.80x = 75,139,451,115,238.28
  5. Step 5: Solve for x
    x = 75,139,451,115,238.28/10,018,500.80
  6. Step 6: Final answer
    x = 7,500,069.38

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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.