Home / 30,644,019-42,289,031.46-16,893,475.20

Finding the Fourth Proportional to 30,644,019, 42,289,031.46 and 16,893,475.20

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Solution

The fourth proportional to 30,644,019, 42,289,031.46 and 16,893,475.20 is: 23,313,153.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,644,019 : 42,289,031.46 = 16,893,475.20 : x
  2. Step 2: Convert to fraction form
    30,644,019/42,289,031.46 = 16,893,475.20/x
  3. Step 3: Cross multiply
    30,644,019x = 42,289,031.46 × 16,893,475.20
  4. Step 4: Simplify right side
    30,644,019x = 714,408,704,201,529.75
  5. Step 5: Solve for x
    x = 714,408,704,201,529.75/30,644,019
  6. Step 6: Final answer
    x = 23,313,153.02

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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.