Home / 13,885,689.22-20,829,902.76-4,786,588.91

Finding the Fourth Proportional to 13,885,689.22, 20,829,902.76 and 4,786,588.91

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Solution

The fourth proportional to 13,885,689.22, 20,829,902.76 and 4,786,588.91 is: 7,180,355.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885,689.22 : 20,829,902.76 = 4,786,588.91 : x
  2. Step 2: Convert to fraction form
    13,885,689.22/20,829,902.76 = 4,786,588.91/x
  3. Step 3: Cross multiply
    13,885,689.22x = 20,829,902.76 × 4,786,588.91
  4. Step 4: Simplify right side
    13,885,689.22x = 99,704,181,547,394.41
  5. Step 5: Solve for x
    x = 99,704,181,547,394.41/13,885,689.22
  6. Step 6: Final answer
    x = 7,180,355.25

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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.