Home / 28,272,429.44-39,015,080.16-16,670,715.20

Finding the Fourth Proportional to 28,272,429.44, 39,015,080.16 and 16,670,715.20

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Solution

The fourth proportional to 28,272,429.44, 39,015,080.16 and 16,670,715.20 is: 23,005,072.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,272,429.44 : 39,015,080.16 = 16,670,715.20 : x
  2. Step 2: Convert to fraction form
    28,272,429.44/39,015,080.16 = 16,670,715.20/x
  3. Step 3: Cross multiply
    28,272,429.44x = 39,015,080.16 × 16,670,715.20
  4. Step 4: Simplify right side
    28,272,429.44x = 650,409,289,852,530.38
  5. Step 5: Solve for x
    x = 650,409,289,852,530.38/28,272,429.44
  6. Step 6: Final answer
    x = 23,005,072.53

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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.