Home / 7,734,348.40-10,674,328.64-4,638,574.87

Finding the Fourth Proportional to 7,734,348.40, 10,674,328.64 and 4,638,574.87

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Solution

The fourth proportional to 7,734,348.40, 10,674,328.64 and 4,638,574.87 is: 6,401,789.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,734,348.40 : 10,674,328.64 = 4,638,574.87 : x
  2. Step 2: Convert to fraction form
    7,734,348.40/10,674,328.64 = 4,638,574.87/x
  3. Step 3: Cross multiply
    7,734,348.40x = 10,674,328.64 × 4,638,574.87
  4. Step 4: Simplify right side
    7,734,348.40x = 49,513,672,593,789.68
  5. Step 5: Solve for x
    x = 49,513,672,593,789.68/7,734,348.40
  6. Step 6: Final answer
    x = 6,401,789.79

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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.