Home / 31,925,615.40-47,888,423.10-31,421,730.60

Finding the Fourth Proportional to 31,925,615.40, 47,888,423.10 and 31,421,730.60

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Solution

The fourth proportional to 31,925,615.40, 47,888,423.10 and 31,421,730.60 is: 47,132,595.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,925,615.40 : 47,888,423.10 = 31,421,730.60 : x
  2. Step 2: Convert to fraction form
    31,925,615.40/47,888,423.10 = 31,421,730.60/x
  3. Step 3: Cross multiply
    31,925,615.40x = 47,888,423.10 × 31,421,730.60
  4. Step 4: Simplify right side
    31,925,615.40x = 1,504,737,129,507,017
  5. Step 5: Solve for x
    x = 1,504,737,129,507,017/31,925,615.40
  6. Step 6: Final answer
    x = 47,132,595.90

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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.