Home / 20,373,261-28,119,094.02-11,677,262.16

Finding the Fourth Proportional to 20,373,261, 28,119,094.02 and 11,677,262.16

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Solution

The fourth proportional to 20,373,261, 28,119,094.02 and 11,677,262.16 is: 16,116,910.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,373,261 : 28,119,094.02 = 11,677,262.16 : x
  2. Step 2: Convert to fraction form
    20,373,261/28,119,094.02 = 11,677,262.16/x
  3. Step 3: Cross multiply
    20,373,261x = 28,119,094.02 × 11,677,262.16
  4. Step 4: Simplify right side
    20,373,261x = 328,354,032,573,228.31
  5. Step 5: Solve for x
    x = 328,354,032,573,228.31/20,373,261
  6. Step 6: Final answer
    x = 16,116,910.91

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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.