Home / 21,182,005.84-29,196,235.20-14,979,051.76

Finding the Fourth Proportional to 21,182,005.84, 29,196,235.20 and 14,979,051.76

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Solution

The fourth proportional to 21,182,005.84, 29,196,235.20 and 14,979,051.76 is: 20,646,388.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,182,005.84 : 29,196,235.20 = 14,979,051.76 : x
  2. Step 2: Convert to fraction form
    21,182,005.84/29,196,235.20 = 14,979,051.76/x
  3. Step 3: Cross multiply
    21,182,005.84x = 29,196,235.20 × 14,979,051.76
  4. Step 4: Simplify right side
    21,182,005.84x = 437,331,918,257,933.94
  5. Step 5: Solve for x
    x = 437,331,918,257,933.94/21,182,005.84
  6. Step 6: Final answer
    x = 20,646,388.33

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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.