Home / 11,118,156.51-15,343,212.68-6,405,947.71

Finding the Fourth Proportional to 11,118,156.51, 15,343,212.68 and 6,405,947.71

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Solution

The fourth proportional to 11,118,156.51, 15,343,212.68 and 6,405,947.71 is: 8,840,298.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118,156.51 : 15,343,212.68 = 6,405,947.71 : x
  2. Step 2: Convert to fraction form
    11,118,156.51/15,343,212.68 = 6,405,947.71/x
  3. Step 3: Cross multiply
    11,118,156.51x = 15,343,212.68 × 6,405,947.71
  4. Step 4: Simplify right side
    11,118,156.51x = 98,287,818,131,488.95
  5. Step 5: Solve for x
    x = 98,287,818,131,488.95/11,118,156.51
  6. Step 6: Final answer
    x = 8,840,298.12

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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.