Home / 21,564,898.98-29,759,704.71-11,775,411.51

Finding the Fourth Proportional to 21,564,898.98, 29,759,704.71 and 11,775,411.51

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Solution

The fourth proportional to 21,564,898.98, 29,759,704.71 and 11,775,411.51 is: 16,250,146.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,564,898.98 : 29,759,704.71 = 11,775,411.51 : x
  2. Step 2: Convert to fraction form
    21,564,898.98/29,759,704.71 = 11,775,411.51/x
  3. Step 3: Cross multiply
    21,564,898.98x = 29,759,704.71 × 11,775,411.51
  4. Step 4: Simplify right side
    21,564,898.98x = 350,432,769,376,335.19
  5. Step 5: Solve for x
    x = 350,432,769,376,335.19/21,564,898.98
  6. Step 6: Final answer
    x = 16,250,146.58

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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.