Home / 21,558,919.70-32,336,557.83-6,985,530.74

Finding the Fourth Proportional to 21,558,919.70, 32,336,557.83 and 6,985,530.74

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Solution

The fourth proportional to 21,558,919.70, 32,336,557.83 and 6,985,530.74 is: 10,477,705.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,558,919.70 : 32,336,557.83 = 6,985,530.74 : x
  2. Step 2: Convert to fraction form
    21,558,919.70/32,336,557.83 = 6,985,530.74/x
  3. Step 3: Cross multiply
    21,558,919.70x = 32,336,557.83 × 6,985,530.74
  4. Step 4: Simplify right side
    21,558,919.70x = 225,888,018,585,569.91
  5. Step 5: Solve for x
    x = 225,888,018,585,569.91/21,558,919.70
  6. Step 6: Final answer
    x = 10,477,705.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.