Home / 19,031,969.02-28,543,382.54-8,786,985.44

Finding the Fourth Proportional to 19,031,969.02, 28,543,382.54 and 8,786,985.44

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Solution

The fourth proportional to 19,031,969.02, 28,543,382.54 and 8,786,985.44 is: 13,178,367.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,031,969.02 : 28,543,382.54 = 8,786,985.44 : x
  2. Step 2: Convert to fraction form
    19,031,969.02/28,543,382.54 = 8,786,985.44/x
  3. Step 3: Cross multiply
    19,031,969.02x = 28,543,382.54 × 8,786,985.44
  4. Step 4: Simplify right side
    19,031,969.02x = 250,810,286,787,330.19
  5. Step 5: Solve for x
    x = 250,810,286,787,330.19/19,031,969.02
  6. Step 6: Final answer
    x = 13,178,367.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.