Home / 21,433,924.67-29,579,422.14-12,141,491.95

Finding the Fourth Proportional to 21,433,924.67, 29,579,422.14 and 12,141,491.95

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Solution

The fourth proportional to 21,433,924.67, 29,579,422.14 and 12,141,491.95 is: 16,755,602.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,433,924.67 : 29,579,422.14 = 12,141,491.95 : x
  2. Step 2: Convert to fraction form
    21,433,924.67/29,579,422.14 = 12,141,491.95/x
  3. Step 3: Cross multiply
    21,433,924.67x = 29,579,422.14 × 12,141,491.95
  4. Step 4: Simplify right side
    21,433,924.67x = 359,138,315,724,513.19
  5. Step 5: Solve for x
    x = 359,138,315,724,513.19/21,433,924.67
  6. Step 6: Final answer
    x = 16,755,602.22

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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.