Home / 13,057,498.91-18,000,357.26-9,125,045.91

Finding the Fourth Proportional to 13,057,498.91, 18,000,357.26 and 9,125,045.91

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Solution

The fourth proportional to 13,057,498.91, 18,000,357.26 and 9,125,045.91 is: 12,579,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057,498.91 : 18,000,357.26 = 9,125,045.91 : x
  2. Step 2: Convert to fraction form
    13,057,498.91/18,000,357.26 = 9,125,045.91/x
  3. Step 3: Cross multiply
    13,057,498.91x = 18,000,357.26 × 9,125,045.91
  4. Step 4: Simplify right side
    13,057,498.91x = 164,254,086,348,276.56
  5. Step 5: Solve for x
    x = 164,254,086,348,276.56/13,057,498.91
  6. Step 6: Final answer
    x = 12,579,291.60

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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.