Home / 21,674,363.84-29,881,687.08-17,218,702.83

Finding the Fourth Proportional to 21,674,363.84, 29,881,687.08 and 17,218,702.83

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Solution

The fourth proportional to 21,674,363.84, 29,881,687.08 and 17,218,702.83 is: 23,738,823.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,674,363.84 : 29,881,687.08 = 17,218,702.83 : x
  2. Step 2: Convert to fraction form
    21,674,363.84/29,881,687.08 = 17,218,702.83/x
  3. Step 3: Cross multiply
    21,674,363.84x = 29,881,687.08 × 17,218,702.83
  4. Step 4: Simplify right side
    21,674,363.84x = 514,523,889,803,476.88
  5. Step 5: Solve for x
    x = 514,523,889,803,476.88/21,674,363.84
  6. Step 6: Final answer
    x = 23,738,823.14

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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.