Home / 31,948,339.60-47,873,744.92-18,968,931.20

Finding the Fourth Proportional to 31,948,339.60, 47,873,744.92 and 18,968,931.20

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Solution

The fourth proportional to 31,948,339.60, 47,873,744.92 and 18,968,931.20 is: 28,424,443.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,948,339.60 : 47,873,744.92 = 18,968,931.20 : x
  2. Step 2: Convert to fraction form
    31,948,339.60/47,873,744.92 = 18,968,931.20/x
  3. Step 3: Cross multiply
    31,948,339.60x = 47,873,744.92 × 18,968,931.20
  4. Step 4: Simplify right side
    31,948,339.60x = 908,113,773,673,829.50
  5. Step 5: Solve for x
    x = 908,113,773,673,829.50/31,948,339.60
  6. Step 6: Final answer
    x = 28,424,443.49

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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.