Home / 7,047,655.74-9,723,451.95-3,949,726.50

Finding the Fourth Proportional to 7,047,655.74, 9,723,451.95 and 3,949,726.50

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Solution

The fourth proportional to 7,047,655.74, 9,723,451.95 and 3,949,726.50 is: 5,449,326.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047,655.74 : 9,723,451.95 = 3,949,726.50 : x
  2. Step 2: Convert to fraction form
    7,047,655.74/9,723,451.95 = 3,949,726.50/x
  3. Step 3: Cross multiply
    7,047,655.74x = 9,723,451.95 × 3,949,726.50
  4. Step 4: Simplify right side
    7,047,655.74x = 38,404,975,838,391.67
  5. Step 5: Solve for x
    x = 38,404,975,838,391.67/7,047,655.74
  6. Step 6: Final answer
    x = 5,449,326.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.