Home / 11,142,166.95-15,376,347.50-6,731,279.36

Finding the Fourth Proportional to 11,142,166.95, 15,376,347.50 and 6,731,279.36

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Solution

The fourth proportional to 11,142,166.95, 15,376,347.50 and 6,731,279.36 is: 9,289,260.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,142,166.95 : 15,376,347.50 = 6,731,279.36 : x
  2. Step 2: Convert to fraction form
    11,142,166.95/15,376,347.50 = 6,731,279.36/x
  3. Step 3: Cross multiply
    11,142,166.95x = 15,376,347.50 × 6,731,279.36
  4. Step 4: Simplify right side
    11,142,166.95x = 103,502,490,448,399.47
  5. Step 5: Solve for x
    x = 103,502,490,448,399.47/11,142,166.95
  6. Step 6: Final answer
    x = 9,289,260.42

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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.