Home / 21,849,863.40-30,152,814.21-12,060,310.14

Finding the Fourth Proportional to 21,849,863.40, 30,152,814.21 and 12,060,310.14

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Solution

The fourth proportional to 21,849,863.40, 30,152,814.21 and 12,060,310.14 is: 16,643,229.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,849,863.40 : 30,152,814.21 = 12,060,310.14 : x
  2. Step 2: Convert to fraction form
    21,849,863.40/30,152,814.21 = 12,060,310.14/x
  3. Step 3: Cross multiply
    21,849,863.40x = 30,152,814.21 × 12,060,310.14
  4. Step 4: Simplify right side
    21,849,863.40x = 363,652,290,966,399.12
  5. Step 5: Solve for x
    x = 363,652,290,966,399.12/21,849,863.40
  6. Step 6: Final answer
    x = 16,643,229.49

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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.