Home / 15,090,322.89-20,824,648.85-8,214,803.13

Finding the Fourth Proportional to 15,090,322.89, 20,824,648.85 and 8,214,803.13

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Solution

The fourth proportional to 15,090,322.89, 20,824,648.85 and 8,214,803.13 is: 11,336,430.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,090,322.89 : 20,824,648.85 = 8,214,803.13 : x
  2. Step 2: Convert to fraction form
    15,090,322.89/20,824,648.85 = 8,214,803.13/x
  3. Step 3: Cross multiply
    15,090,322.89x = 20,824,648.85 × 8,214,803.13
  4. Step 4: Simplify right side
    15,090,322.89x = 171,070,390,554,130.91
  5. Step 5: Solve for x
    x = 171,070,390,554,130.91/15,090,322.89
  6. Step 6: Final answer
    x = 11,336,430.10

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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.