Home / 22,574,915.08-31,153,793.20-12,787,391.45

Finding the Fourth Proportional to 22,574,915.08, 31,153,793.20 and 12,787,391.45

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Solution

The fourth proportional to 22,574,915.08, 31,153,793.20 and 12,787,391.45 is: 17,646,832.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,574,915.08 : 31,153,793.20 = 12,787,391.45 : x
  2. Step 2: Convert to fraction form
    22,574,915.08/31,153,793.20 = 12,787,391.45/x
  3. Step 3: Cross multiply
    22,574,915.08x = 31,153,793.20 × 12,787,391.45
  4. Step 4: Simplify right side
    22,574,915.08x = 398,375,748,846,664.19
  5. Step 5: Solve for x
    x = 398,375,748,846,664.19/22,574,915.08
  6. Step 6: Final answer
    x = 17,646,832.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.