Home / 18,671,720.05-28,008,455.60-9,075,659.89

Finding the Fourth Proportional to 18,671,720.05, 28,008,455.60 and 9,075,659.89

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Solution

The fourth proportional to 18,671,720.05, 28,008,455.60 and 9,075,659.89 is: 13,613,915.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,671,720.05 : 28,008,455.60 = 9,075,659.89 : x
  2. Step 2: Convert to fraction form
    18,671,720.05/28,008,455.60 = 9,075,659.89/x
  3. Step 3: Cross multiply
    18,671,720.05x = 28,008,455.60 × 9,075,659.89
  4. Step 4: Simplify right side
    18,671,720.05x = 254,195,217,024,387.59
  5. Step 5: Solve for x
    x = 254,195,217,024,387.59/18,671,720.05
  6. Step 6: Final answer
    x = 13,613,915.39

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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.