Home / 21,808,160.72-30,095,467.44-12,018,957.92

Finding the Fourth Proportional to 21,808,160.72, 30,095,467.44 and 12,018,957.92

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Solution

The fourth proportional to 21,808,160.72, 30,095,467.44 and 12,018,957.92 is: 16,586,275.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,808,160.72 : 30,095,467.44 = 12,018,957.92 : x
  2. Step 2: Convert to fraction form
    21,808,160.72/30,095,467.44 = 12,018,957.92/x
  3. Step 3: Cross multiply
    21,808,160.72x = 30,095,467.44 × 12,018,957.92
  4. Step 4: Simplify right side
    21,808,160.72x = 361,716,156,744,090.12
  5. Step 5: Solve for x
    x = 361,716,156,744,090.12/21,808,160.72
  6. Step 6: Final answer
    x = 16,586,275.27

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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.