Home / 20,417,090.53-28,177,570.50-15,251,484.01

Finding the Fourth Proportional to 20,417,090.53, 28,177,570.50 and 15,251,484.01

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Solution

The fourth proportional to 20,417,090.53, 28,177,570.50 and 15,251,484.01 is: 21,048,531.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,417,090.53 : 28,177,570.50 = 15,251,484.01 : x
  2. Step 2: Convert to fraction form
    20,417,090.53/28,177,570.50 = 15,251,484.01/x
  3. Step 3: Cross multiply
    20,417,090.53x = 28,177,570.50 × 15,251,484.01
  4. Step 4: Simplify right side
    20,417,090.53x = 429,749,765,780,509.88
  5. Step 5: Solve for x
    x = 429,749,765,780,509.88/20,417,090.53
  6. Step 6: Final answer
    x = 21,048,531.14

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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.