Home / 21,026,628.95-29,016,579.20-12,206,898.59

Finding the Fourth Proportional to 21,026,628.95, 29,016,579.20 and 12,206,898.59

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Solution

The fourth proportional to 21,026,628.95, 29,016,579.20 and 12,206,898.59 is: 16,845,422.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,026,628.95 : 29,016,579.20 = 12,206,898.59 : x
  2. Step 2: Convert to fraction form
    21,026,628.95/29,016,579.20 = 12,206,898.59/x
  3. Step 3: Cross multiply
    21,026,628.95x = 29,016,579.20 × 12,206,898.59
  4. Step 4: Simplify right side
    21,026,628.95x = 354,202,439,516,985.94
  5. Step 5: Solve for x
    x = 354,202,439,516,985.94/21,026,628.95
  6. Step 6: Final answer
    x = 16,845,422.08

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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.