Home / 42,277,709.34-63,393,485.76-12,729,589.74

Finding the Fourth Proportional to 42,277,709.34, 63,393,485.76 and 12,729,589.74

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Solution

The fourth proportional to 42,277,709.34, 63,393,485.76 and 12,729,589.74 is: 19,087,435.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,277,709.34 : 63,393,485.76 = 12,729,589.74 : x
  2. Step 2: Convert to fraction form
    42,277,709.34/63,393,485.76 = 12,729,589.74/x
  3. Step 3: Cross multiply
    42,277,709.34x = 63,393,485.76 × 12,729,589.74
  4. Step 4: Simplify right side
    42,277,709.34x = 806,973,065,913,332.12
  5. Step 5: Solve for x
    x = 806,973,065,913,332.12/42,277,709.34
  6. Step 6: Final answer
    x = 19,087,435.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.