Home / 12,931,236.13-19,398,354.96-4,296,107.20

Finding the Fourth Proportional to 12,931,236.13, 19,398,354.96 and 4,296,107.20

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Solution

The fourth proportional to 12,931,236.13, 19,398,354.96 and 4,296,107.20 is: 6,444,659.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931,236.13 : 19,398,354.96 = 4,296,107.20 : x
  2. Step 2: Convert to fraction form
    12,931,236.13/19,398,354.96 = 4,296,107.20/x
  3. Step 3: Cross multiply
    12,931,236.13x = 19,398,354.96 × 4,296,107.20
  4. Step 4: Simplify right side
    12,931,236.13x = 83,337,412,411,811.72
  5. Step 5: Solve for x
    x = 83,337,412,411,811.72/12,931,236.13
  6. Step 6: Final answer
    x = 6,444,659.39

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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.