Home / 7,209,029.20-10,819,667.40-2,952,252.40

Finding the Fourth Proportional to 7,209,029.20, 10,819,667.40 and 2,952,252.40

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Solution

The fourth proportional to 7,209,029.20, 10,819,667.40 and 2,952,252.40 is: 4,430,886.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209,029.20 : 10,819,667.40 = 2,952,252.40 : x
  2. Step 2: Convert to fraction form
    7,209,029.20/10,819,667.40 = 2,952,252.40/x
  3. Step 3: Cross multiply
    7,209,029.20x = 10,819,667.40 × 2,952,252.40
  4. Step 4: Simplify right side
    7,209,029.20x = 31,942,389,048,851.76
  5. Step 5: Solve for x
    x = 31,942,389,048,851.76/7,209,029.20
  6. Step 6: Final answer
    x = 4,430,886.35

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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.