Home / 31,890,520.80-47,842,779.60-10,326,117.60

Finding the Fourth Proportional to 31,890,520.80, 47,842,779.60 and 10,326,117.60

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Solution

The fourth proportional to 31,890,520.80, 47,842,779.60 and 10,326,117.60 is: 15,491,442.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,890,520.80 : 47,842,779.60 = 10,326,117.60 : x
  2. Step 2: Convert to fraction form
    31,890,520.80/47,842,779.60 = 10,326,117.60/x
  3. Step 3: Cross multiply
    31,890,520.80x = 47,842,779.60 × 10,326,117.60
  4. Step 4: Simplify right side
    31,890,520.80x = 494,030,168,460,480.94
  5. Step 5: Solve for x
    x = 494,030,168,460,480.94/31,890,520.80
  6. Step 6: Final answer
    x = 15,491,442.47

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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.