Home / 11,555,970.81-15,947,225.33-6,399,326.13

Finding the Fourth Proportional to 11,555,970.81, 15,947,225.33 and 6,399,326.13

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Solution

The fourth proportional to 11,555,970.81, 15,947,225.33 and 6,399,326.13 is: 8,831,062.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555,970.81 : 15,947,225.33 = 6,399,326.13 : x
  2. Step 2: Convert to fraction form
    11,555,970.81/15,947,225.33 = 6,399,326.13/x
  3. Step 3: Cross multiply
    11,555,970.81x = 15,947,225.33 × 6,399,326.13
  4. Step 4: Simplify right side
    11,555,970.81x = 102,051,495,723,270.23
  5. Step 5: Solve for x
    x = 102,051,495,723,270.23/11,555,970.81
  6. Step 6: Final answer
    x = 8,831,062.09

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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.