Home / 5,425,885.80-8,138,828.70-5,116,228.20

Finding the Fourth Proportional to 5,425,885.80, 8,138,828.70 and 5,116,228.20

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Solution

The fourth proportional to 5,425,885.80, 8,138,828.70 and 5,116,228.20 is: 7,674,342.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425,885.80 : 8,138,828.70 = 5,116,228.20 : x
  2. Step 2: Convert to fraction form
    5,425,885.80/8,138,828.70 = 5,116,228.20/x
  3. Step 3: Cross multiply
    5,425,885.80x = 8,138,828.70 × 5,116,228.20
  4. Step 4: Simplify right side
    5,425,885.80x = 41,640,104,909,909.34
  5. Step 5: Solve for x
    x = 41,640,104,909,909.34/5,425,885.80
  6. Step 6: Final answer
    x = 7,674,342.30

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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.