Home / 15,331,811.26-21,158,148.96-8,362,487.02

Finding the Fourth Proportional to 15,331,811.26, 21,158,148.96 and 8,362,487.02

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Solution

The fourth proportional to 15,331,811.26, 21,158,148.96 and 8,362,487.02 is: 11,540,368.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,331,811.26 : 21,158,148.96 = 8,362,487.02 : x
  2. Step 2: Convert to fraction form
    15,331,811.26/21,158,148.96 = 8,362,487.02/x
  3. Step 3: Cross multiply
    15,331,811.26x = 21,158,148.96 × 8,362,487.02
  4. Step 4: Simplify right side
    15,331,811.26x = 176,934,746,045,226.50
  5. Step 5: Solve for x
    x = 176,934,746,045,226.50/15,331,811.26
  6. Step 6: Final answer
    x = 11,540,368.13

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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.