Home / 31,658,940-47,496,597.48-18,539,437.62

Finding the Fourth Proportional to 31,658,940, 47,496,597.48 and 18,539,437.62

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Solution

The fourth proportional to 31,658,940, 47,496,597.48 and 18,539,437.62 is: 27,813,951.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,658,940 : 47,496,597.48 = 18,539,437.62 : x
  2. Step 2: Convert to fraction form
    31,658,940/47,496,597.48 = 18,539,437.62/x
  3. Step 3: Cross multiply
    31,658,940x = 47,496,597.48 × 18,539,437.62
  4. Step 4: Simplify right side
    31,658,940x = 880,560,206,142,709.12
  5. Step 5: Solve for x
    x = 880,560,206,142,709.12/31,658,940
  6. Step 6: Final answer
    x = 27,813,951.01

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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.