Home / 21,051,624.10-29,053,761.93-12,793,035.82

Finding the Fourth Proportional to 21,051,624.10, 29,053,761.93 and 12,793,035.82

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Solution

The fourth proportional to 21,051,624.10, 29,053,761.93 and 12,793,035.82 is: 17,655,921.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,051,624.10 : 29,053,761.93 = 12,793,035.82 : x
  2. Step 2: Convert to fraction form
    21,051,624.10/29,053,761.93 = 12,793,035.82/x
  3. Step 3: Cross multiply
    21,051,624.10x = 29,053,761.93 × 12,793,035.82
  4. Step 4: Simplify right side
    21,051,624.10x = 371,685,817,076,242.31
  5. Step 5: Solve for x
    x = 371,685,817,076,242.31/21,051,624.10
  6. Step 6: Final answer
    x = 17,655,921.24

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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.