Home / 12,773,486.85-17,624,780.45-7,339,929.09

Finding the Fourth Proportional to 12,773,486.85, 17,624,780.45 and 7,339,929.09

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Solution

The fourth proportional to 12,773,486.85, 17,624,780.45 and 7,339,929.09 is: 10,127,590.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,773,486.85 : 17,624,780.45 = 7,339,929.09 : x
  2. Step 2: Convert to fraction form
    12,773,486.85/17,624,780.45 = 7,339,929.09/x
  3. Step 3: Cross multiply
    12,773,486.85x = 17,624,780.45 × 7,339,929.09
  4. Step 4: Simplify right side
    12,773,486.85x = 129,364,638,729,818.28
  5. Step 5: Solve for x
    x = 129,364,638,729,818.28/12,773,486.85
  6. Step 6: Final answer
    x = 10,127,590.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.