Home / 7,633,390.40-11,445,731.04-3,140,313.92

Finding the Fourth Proportional to 7,633,390.40, 11,445,731.04 and 3,140,313.92

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Solution

The fourth proportional to 7,633,390.40, 11,445,731.04 and 3,140,313.92 is: 4,708,679.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,633,390.40 : 11,445,731.04 = 3,140,313.92 : x
  2. Step 2: Convert to fraction form
    7,633,390.40/11,445,731.04 = 3,140,313.92/x
  3. Step 3: Cross multiply
    7,633,390.40x = 11,445,731.04 × 3,140,313.92
  4. Step 4: Simplify right side
    7,633,390.40x = 35,943,188,509,488.07
  5. Step 5: Solve for x
    x = 35,943,188,509,488.07/7,633,390.40
  6. Step 6: Final answer
    x = 4,708,679.45

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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.