Home / 38,178,301.23-57,276,421.25-12,619,310.67

Finding the Fourth Proportional to 38,178,301.23, 57,276,421.25 and 12,619,310.67

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Solution

The fourth proportional to 38,178,301.23, 57,276,421.25 and 12,619,310.67 is: 18,931,930.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,178,301.23 : 57,276,421.25 = 12,619,310.67 : x
  2. Step 2: Convert to fraction form
    38,178,301.23/57,276,421.25 = 12,619,310.67/x
  3. Step 3: Cross multiply
    38,178,301.23x = 57,276,421.25 × 12,619,310.67
  4. Step 4: Simplify right side
    38,178,301.23x = 722,788,953,756,443.12
  5. Step 5: Solve for x
    x = 722,788,953,756,443.12/38,178,301.23
  6. Step 6: Final answer
    x = 18,931,930.72

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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.