Home / 7,653,217.84-10,561,439.40-4,215,458.80

Finding the Fourth Proportional to 7,653,217.84, 10,561,439.40 and 4,215,458.80

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Solution

The fourth proportional to 7,653,217.84, 10,561,439.40 and 4,215,458.80 is: 5,817,332.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653,217.84 : 10,561,439.40 = 4,215,458.80 : x
  2. Step 2: Convert to fraction form
    7,653,217.84/10,561,439.40 = 4,215,458.80/x
  3. Step 3: Cross multiply
    7,653,217.84x = 10,561,439.40 × 4,215,458.80
  4. Step 4: Simplify right side
    7,653,217.84x = 44,521,312,659,396.72
  5. Step 5: Solve for x
    x = 44,521,312,659,396.72/7,653,217.84
  6. Step 6: Final answer
    x = 5,817,332.47

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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.