Home / 28,992,737.32-40,007,917.38-15,939,658.60

Finding the Fourth Proportional to 28,992,737.32, 40,007,917.38 and 15,939,658.60

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Solution

The fourth proportional to 28,992,737.32, 40,007,917.38 and 15,939,658.60 is: 21,995,596.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,992,737.32 : 40,007,917.38 = 15,939,658.60 : x
  2. Step 2: Convert to fraction form
    28,992,737.32/40,007,917.38 = 15,939,658.60/x
  3. Step 3: Cross multiply
    28,992,737.32x = 40,007,917.38 × 15,939,658.60
  4. Step 4: Simplify right side
    28,992,737.32x = 637,712,544,334,206.50
  5. Step 5: Solve for x
    x = 637,712,544,334,206.50/28,992,737.32
  6. Step 6: Final answer
    x = 21,995,596.25

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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.