Home / 7,768,312.71-10,720,910.00-4,284,333.06

Finding the Fourth Proportional to 7,768,312.71, 10,720,910.00 and 4,284,333.06

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Solution

The fourth proportional to 7,768,312.71, 10,720,910.00 and 4,284,333.06 is: 5,912,731.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768,312.71 : 10,720,910.00 = 4,284,333.06 : x
  2. Step 2: Convert to fraction form
    7,768,312.71/10,720,910.00 = 4,284,333.06/x
  3. Step 3: Cross multiply
    7,768,312.71x = 10,720,910.00 × 4,284,333.06
  4. Step 4: Simplify right side
    7,768,312.71x = 45,931,949,124,862.93
  5. Step 5: Solve for x
    x = 45,931,949,124,862.93/7,768,312.71
  6. Step 6: Final answer
    x = 5,912,731.74

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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.