Home / 28,429,244.63-39,232,238.83-15,376,472.30

Finding the Fourth Proportional to 28,429,244.63, 39,232,238.83 and 15,376,472.30

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Solution

The fourth proportional to 28,429,244.63, 39,232,238.83 and 15,376,472.30 is: 21,219,467.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,429,244.63 : 39,232,238.83 = 15,376,472.30 : x
  2. Step 2: Convert to fraction form
    28,429,244.63/39,232,238.83 = 15,376,472.30/x
  3. Step 3: Cross multiply
    28,429,244.63x = 39,232,238.83 × 15,376,472.30
  4. Step 4: Simplify right side
    28,429,244.63x = 603,253,433,636,479.38
  5. Step 5: Solve for x
    x = 603,253,433,636,479.38/28,429,244.63
  6. Step 6: Final answer
    x = 21,219,467.54

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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.