Home / 7,817,564.72-10,788,682.74-4,380,912.92

Finding the Fourth Proportional to 7,817,564.72, 10,788,682.74 and 4,380,912.92

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Solution

The fourth proportional to 7,817,564.72, 10,788,682.74 and 4,380,912.92 is: 6,045,908.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817,564.72 : 10,788,682.74 = 4,380,912.92 : x
  2. Step 2: Convert to fraction form
    7,817,564.72/10,788,682.74 = 4,380,912.92/x
  3. Step 3: Cross multiply
    7,817,564.72x = 10,788,682.74 × 4,380,912.92
  4. Step 4: Simplify right side
    7,817,564.72x = 47,264,279,605,447
  5. Step 5: Solve for x
    x = 47,264,279,605,447/7,817,564.72
  6. Step 6: Final answer
    x = 6,045,908.32

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1.5x scale

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.