Home / 6,966,043.20-10,449,064.80-4,237,979.40

Finding the Fourth Proportional to 6,966,043.20, 10,449,064.80 and 4,237,979.40

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Solution

The fourth proportional to 6,966,043.20, 10,449,064.80 and 4,237,979.40 is: 6,356,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,966,043.20 : 10,449,064.80 = 4,237,979.40 : x
  2. Step 2: Convert to fraction form
    6,966,043.20/10,449,064.80 = 4,237,979.40/x
  3. Step 3: Cross multiply
    6,966,043.20x = 10,449,064.80 × 4,237,979.40
  4. Step 4: Simplify right side
    6,966,043.20x = 44,282,921,371,665.12
  5. Step 5: Solve for x
    x = 44,282,921,371,665.12/6,966,043.20
  6. Step 6: Final answer
    x = 6,356,969.10

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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.