Home / 30,829,031.57-42,544,096.87-16,700,251.25

Finding the Fourth Proportional to 30,829,031.57, 42,544,096.87 and 16,700,251.25

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Solution

The fourth proportional to 30,829,031.57, 42,544,096.87 and 16,700,251.25 is: 23,046,364.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,829,031.57 : 42,544,096.87 = 16,700,251.25 : x
  2. Step 2: Convert to fraction form
    30,829,031.57/42,544,096.87 = 16,700,251.25/x
  3. Step 3: Cross multiply
    30,829,031.57x = 42,544,096.87 × 16,700,251.25
  4. Step 4: Simplify right side
    30,829,031.57x = 710,497,106,933,338.50
  5. Step 5: Solve for x
    x = 710,497,106,933,338.50/30,829,031.57
  6. Step 6: Final answer
    x = 23,046,364.77

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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.