Home / 6,391,505.80-9,571,512.30-4,249,995.40

Finding the Fourth Proportional to 6,391,505.80, 9,571,512.30 and 4,249,995.40

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Solution

The fourth proportional to 6,391,505.80, 9,571,512.30 and 4,249,995.40 is: 6,364,522.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391,505.80 : 9,571,512.30 = 4,249,995.40 : x
  2. Step 2: Convert to fraction form
    6,391,505.80/9,571,512.30 = 4,249,995.40/x
  3. Step 3: Cross multiply
    6,391,505.80x = 9,571,512.30 × 4,249,995.40
  4. Step 4: Simplify right side
    6,391,505.80x = 40,678,883,246,043.43
  5. Step 5: Solve for x
    x = 40,678,883,246,043.43/6,391,505.80
  6. Step 6: Final answer
    x = 6,364,522.62

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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.