Home / 20,737,500.40-31,096,919.40-7,953,756.40

Finding the Fourth Proportional to 20,737,500.40, 31,096,919.40 and 7,953,756.40

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Solution

The fourth proportional to 20,737,500.40, 31,096,919.40 and 7,953,756.40 is: 11,927,055.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737,500.40 : 31,096,919.40 = 7,953,756.40 : x
  2. Step 2: Convert to fraction form
    20,737,500.40/31,096,919.40 = 7,953,756.40/x
  3. Step 3: Cross multiply
    20,737,500.40x = 31,096,919.40 × 7,953,756.40
  4. Step 4: Simplify right side
    20,737,500.40x = 247,337,321,698,034.16
  5. Step 5: Solve for x
    x = 247,337,321,698,034.16/20,737,500.40
  6. Step 6: Final answer
    x = 11,927,055.67

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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.