Home / 13,057,620.60-18,000,525-9,125,167.68

Finding the Fourth Proportional to 13,057,620.60, 18,000,525 and 9,125,167.68

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Solution

The fourth proportional to 13,057,620.60, 18,000,525 and 9,125,167.68 is: 12,579,459.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057,620.60 : 18,000,525 = 9,125,167.68 : x
  2. Step 2: Convert to fraction form
    13,057,620.60/18,000,525 = 9,125,167.68/x
  3. Step 3: Cross multiply
    13,057,620.60x = 18,000,525 × 9,125,167.68
  4. Step 4: Simplify right side
    13,057,620.60x = 164,257,808,953,032
  5. Step 5: Solve for x
    x = 164,257,808,953,032/13,057,620.60
  6. Step 6: Final answer
    x = 12,579,459.46

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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.