Home / 38,738,869.05-53,462,056.14-21,335,209.86

Finding the Fourth Proportional to 38,738,869.05, 53,462,056.14 and 21,335,209.86

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Solution

The fourth proportional to 38,738,869.05, 53,462,056.14 and 21,335,209.86 is: 29,443,920.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,738,869.05 : 53,462,056.14 = 21,335,209.86 : x
  2. Step 2: Convert to fraction form
    38,738,869.05/53,462,056.14 = 21,335,209.86/x
  3. Step 3: Cross multiply
    38,738,869.05x = 53,462,056.14 × 21,335,209.86
  4. Step 4: Simplify right side
    38,738,869.05x = 1,140,624,187,294,001.50
  5. Step 5: Solve for x
    x = 1,140,624,187,294,001.50/38,738,869.05
  6. Step 6: Final answer
    x = 29,443,920.67

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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.