Home / 13,885,688.22-20,829,901.26-4,786,587.91

Finding the Fourth Proportional to 13,885,688.22, 20,829,901.26 and 4,786,587.91

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Solution

The fourth proportional to 13,885,688.22, 20,829,901.26 and 4,786,587.91 is: 7,180,353.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885,688.22 : 20,829,901.26 = 4,786,587.91 : x
  2. Step 2: Convert to fraction form
    13,885,688.22/20,829,901.26 = 4,786,587.91/x
  3. Step 3: Cross multiply
    13,885,688.22x = 20,829,901.26 × 4,786,587.91
  4. Step 4: Simplify right side
    13,885,688.22x = 99,704,153,537,609.78
  5. Step 5: Solve for x
    x = 99,704,153,537,609.78/13,885,688.22
  6. Step 6: Final answer
    x = 7,180,353.75

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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.