Home / 28,957,711.32-39,964,106.10-16,400,999.56

Finding the Fourth Proportional to 28,957,711.32, 39,964,106.10 and 16,400,999.56

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Solution

The fourth proportional to 28,957,711.32, 39,964,106.10 and 16,400,999.56 is: 22,634,775.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,957,711.32 : 39,964,106.10 = 16,400,999.56 : x
  2. Step 2: Convert to fraction form
    28,957,711.32/39,964,106.10 = 16,400,999.56/x
  3. Step 3: Cross multiply
    28,957,711.32x = 39,964,106.10 × 16,400,999.56
  4. Step 4: Simplify right side
    28,957,711.32x = 655,451,286,552,267.12
  5. Step 5: Solve for x
    x = 655,451,286,552,267.12/28,957,711.32
  6. Step 6: Final answer
    x = 22,634,775.22

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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.