Home / 13,129,302.32-19,693,675.11-4,376,213.78

Finding the Fourth Proportional to 13,129,302.32, 19,693,675.11 and 4,376,213.78

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Solution

The fourth proportional to 13,129,302.32, 19,693,675.11 and 4,376,213.78 is: 6,564,227.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,129,302.32 : 19,693,675.11 = 4,376,213.78 : x
  2. Step 2: Convert to fraction form
    13,129,302.32/19,693,675.11 = 4,376,213.78/x
  3. Step 3: Cross multiply
    13,129,302.32x = 19,693,675.11 × 4,376,213.78
  4. Step 4: Simplify right side
    13,129,302.32x = 86,183,732,399,328.16
  5. Step 5: Solve for x
    x = 86,183,732,399,328.16/13,129,302.32
  6. Step 6: Final answer
    x = 6,564,227.89

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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.