Home / 31,055,421.60-46,583,132.40-8,338,615.20

Finding the Fourth Proportional to 31,055,421.60, 46,583,132.40 and 8,338,615.20

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Solution

The fourth proportional to 31,055,421.60, 46,583,132.40 and 8,338,615.20 is: 12,507,922.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,055,421.60 : 46,583,132.40 = 8,338,615.20 : x
  2. Step 2: Convert to fraction form
    31,055,421.60/46,583,132.40 = 8,338,615.20/x
  3. Step 3: Cross multiply
    31,055,421.60x = 46,583,132.40 × 8,338,615.20
  4. Step 4: Simplify right side
    31,055,421.60x = 388,438,815,894,252.50
  5. Step 5: Solve for x
    x = 388,438,815,894,252.50/31,055,421.60
  6. Step 6: Final answer
    x = 12,507,922.80

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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.