Home / 6,643,038.20-9,964,557.30-5,036,905.40

Finding the Fourth Proportional to 6,643,038.20, 9,964,557.30 and 5,036,905.40

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Solution

The fourth proportional to 6,643,038.20, 9,964,557.30 and 5,036,905.40 is: 7,555,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,038.20 : 9,964,557.30 = 5,036,905.40 : x
  2. Step 2: Convert to fraction form
    6,643,038.20/9,964,557.30 = 5,036,905.40/x
  3. Step 3: Cross multiply
    6,643,038.20x = 9,964,557.30 × 5,036,905.40
  4. Step 4: Simplify right side
    6,643,038.20x = 50,190,532,472,979.43
  5. Step 5: Solve for x
    x = 50,190,532,472,979.43/6,643,038.20
  6. Step 6: Final answer
    x = 7,555,358.10

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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.