Home / 28,517,080.80-42,775,621.20-9,349,775.40

Finding the Fourth Proportional to 28,517,080.80, 42,775,621.20 and 9,349,775.40

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Solution

The fourth proportional to 28,517,080.80, 42,775,621.20 and 9,349,775.40 is: 14,024,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,517,080.80 : 42,775,621.20 = 9,349,775.40 : x
  2. Step 2: Convert to fraction form
    28,517,080.80/42,775,621.20 = 9,349,775.40/x
  3. Step 3: Cross multiply
    28,517,080.80x = 42,775,621.20 × 9,349,775.40
  4. Step 4: Simplify right side
    28,517,080.80x = 399,942,450,815,478.50
  5. Step 5: Solve for x
    x = 399,942,450,815,478.50/28,517,080.80
  6. Step 6: Final answer
    x = 14,024,663.10

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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.