Home / 18,830,282.20-28,248,047.70-8,047,497.40

Finding the Fourth Proportional to 18,830,282.20, 28,248,047.70 and 8,047,497.40

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Solution

The fourth proportional to 18,830,282.20, 28,248,047.70 and 8,047,497.40 is: 12,072,367.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830,282.20 : 28,248,047.70 = 8,047,497.40 : x
  2. Step 2: Convert to fraction form
    18,830,282.20/28,248,047.70 = 8,047,497.40/x
  3. Step 3: Cross multiply
    18,830,282.20x = 28,248,047.70 × 8,047,497.40
  4. Step 4: Simplify right side
    18,830,282.20x = 227,326,090,420,826
  5. Step 5: Solve for x
    x = 227,326,090,420,826/18,830,282.20
  6. Step 6: Final answer
    x = 12,072,367.69

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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.