Home / 13,916,421.32-20,853,326.48-5,824,991.52

Finding the Fourth Proportional to 13,916,421.32, 20,853,326.48 and 5,824,991.52

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Solution

The fourth proportional to 13,916,421.32, 20,853,326.48 and 5,824,991.52 is: 8,728,569.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916,421.32 : 20,853,326.48 = 5,824,991.52 : x
  2. Step 2: Convert to fraction form
    13,916,421.32/20,853,326.48 = 5,824,991.52/x
  3. Step 3: Cross multiply
    13,916,421.32x = 20,853,326.48 × 5,824,991.52
  4. Step 4: Simplify right side
    13,916,421.32x = 121,470,449,880,666.48
  5. Step 5: Solve for x
    x = 121,470,449,880,666.48/13,916,421.32
  6. Step 6: Final answer
    x = 8,728,569.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.