Home / 30,921,559.76-46,372,040.41-12,472,739.91

Finding the Fourth Proportional to 30,921,559.76, 46,372,040.41 and 12,472,739.91

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Solution

The fourth proportional to 30,921,559.76, 46,372,040.41 and 12,472,739.91 is: 18,704,955.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,921,559.76 : 46,372,040.41 = 12,472,739.91 : x
  2. Step 2: Convert to fraction form
    30,921,559.76/46,372,040.41 = 12,472,739.91/x
  3. Step 3: Cross multiply
    30,921,559.76x = 46,372,040.41 × 12,472,739.91
  4. Step 4: Simplify right side
    30,921,559.76x = 578,386,399,129,939.75
  5. Step 5: Solve for x
    x = 578,386,399,129,939.75/30,921,559.76
  6. Step 6: Final answer
    x = 18,704,955.49

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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.