Home / 7,678,824.80-10,596,761.12-4,415,639.82

Finding the Fourth Proportional to 7,678,824.80, 10,596,761.12 and 4,415,639.82

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Solution

The fourth proportional to 7,678,824.80, 10,596,761.12 and 4,415,639.82 is: 6,093,573.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678,824.80 : 10,596,761.12 = 4,415,639.82 : x
  2. Step 2: Convert to fraction form
    7,678,824.80/10,596,761.12 = 4,415,639.82/x
  3. Step 3: Cross multiply
    7,678,824.80x = 10,596,761.12 × 4,415,639.82
  4. Step 4: Simplify right side
    7,678,824.80x = 46,791,480,349,228.95
  5. Step 5: Solve for x
    x = 46,791,480,349,228.95/7,678,824.80
  6. Step 6: Final answer
    x = 6,093,573.11

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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.