Home / 30,608,931.56-42,238,387.74-16,857,895.68

Finding the Fourth Proportional to 30,608,931.56, 42,238,387.74 and 16,857,895.68

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Solution

The fourth proportional to 30,608,931.56, 42,238,387.74 and 16,857,895.68 is: 23,262,828.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,608,931.56 : 42,238,387.74 = 16,857,895.68 : x
  2. Step 2: Convert to fraction form
    30,608,931.56/42,238,387.74 = 16,857,895.68/x
  3. Step 3: Cross multiply
    30,608,931.56x = 42,238,387.74 × 16,857,895.68
  4. Step 4: Simplify right side
    30,608,931.56x = 712,050,334,212,311
  5. Step 5: Solve for x
    x = 712,050,334,212,311/30,608,931.56
  6. Step 6: Final answer
    x = 23,262,828.79

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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.