Home / 30,608,931.61-42,238,387.83-16,857,895.74

Finding the Fourth Proportional to 30,608,931.61, 42,238,387.83 and 16,857,895.74

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Solution

The fourth proportional to 30,608,931.61, 42,238,387.83 and 16,857,895.74 is: 23,262,828.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,608,931.61 : 42,238,387.83 = 16,857,895.74 : x
  2. Step 2: Convert to fraction form
    30,608,931.61/42,238,387.83 = 16,857,895.74/x
  3. Step 3: Cross multiply
    30,608,931.61x = 42,238,387.83 × 16,857,895.74
  4. Step 4: Simplify right side
    30,608,931.61x = 712,050,338,263,824.75
  5. Step 5: Solve for x
    x = 712,050,338,263,824.75/30,608,931.61
  6. Step 6: Final answer
    x = 23,262,828.88

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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.