Home / 15,051,777.64-20,772,022.95-8,436,487.33

Finding the Fourth Proportional to 15,051,777.64, 20,772,022.95 and 8,436,487.33

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Solution

The fourth proportional to 15,051,777.64, 20,772,022.95 and 8,436,487.33 is: 11,642,671.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,051,777.64 : 20,772,022.95 = 8,436,487.33 : x
  2. Step 2: Convert to fraction form
    15,051,777.64/20,772,022.95 = 8,436,487.33/x
  3. Step 3: Cross multiply
    15,051,777.64x = 20,772,022.95 × 8,436,487.33
  4. Step 4: Simplify right side
    15,051,777.64x = 175,242,908,436,144.22
  5. Step 5: Solve for x
    x = 175,242,908,436,144.22/15,051,777.64
  6. Step 6: Final answer
    x = 11,642,671.89

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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.