Home / 31,658,941-47,496,598.98-18,539,438.62

Finding the Fourth Proportional to 31,658,941, 47,496,598.98 and 18,539,438.62

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Solution

The fourth proportional to 31,658,941, 47,496,598.98 and 18,539,438.62 is: 27,813,952.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,658,941 : 47,496,598.98 = 18,539,438.62 : x
  2. Step 2: Convert to fraction form
    31,658,941/47,496,598.98 = 18,539,438.62/x
  3. Step 3: Cross multiply
    31,658,941x = 47,496,598.98 × 18,539,438.62
  4. Step 4: Simplify right side
    31,658,941x = 880,560,281,448,464.62
  5. Step 5: Solve for x
    x = 880,560,281,448,464.62/31,658,941
  6. Step 6: Final answer
    x = 27,813,952.51

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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.