Home / 31,347,200.90-47,020,801.35-19,070,913.80

Finding the Fourth Proportional to 31,347,200.90, 47,020,801.35 and 19,070,913.80

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Solution

The fourth proportional to 31,347,200.90, 47,020,801.35 and 19,070,913.80 is: 28,606,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,347,200.90 : 47,020,801.35 = 19,070,913.80 : x
  2. Step 2: Convert to fraction form
    31,347,200.90/47,020,801.35 = 19,070,913.80/x
  3. Step 3: Cross multiply
    31,347,200.90x = 47,020,801.35 × 19,070,913.80
  4. Step 4: Simplify right side
    31,347,200.90x = 896,729,649,352,773.75
  5. Step 5: Solve for x
    x = 896,729,649,352,773.75/31,347,200.90
  6. Step 6: Final answer
    x = 28,606,370.70

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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.