Home / 21,819,244.17-30,139,299.12-16,172,783.98

Finding the Fourth Proportional to 21,819,244.17, 30,139,299.12 and 16,172,783.98

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Solution

The fourth proportional to 21,819,244.17, 30,139,299.12 and 16,172,783.98 is: 22,339,746.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,819,244.17 : 30,139,299.12 = 16,172,783.98 : x
  2. Step 2: Convert to fraction form
    21,819,244.17/30,139,299.12 = 16,172,783.98/x
  3. Step 3: Cross multiply
    21,819,244.17x = 30,139,299.12 × 16,172,783.98
  4. Step 4: Simplify right side
    21,819,244.17x = 487,436,373,976,364.12
  5. Step 5: Solve for x
    x = 487,436,373,976,364.12/21,819,244.17
  6. Step 6: Final answer
    x = 22,339,746.06

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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.