Home / 13,057,542.48-18,000,417.41-9,125,089.58

Finding the Fourth Proportional to 13,057,542.48, 18,000,417.41 and 9,125,089.58

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Solution

The fourth proportional to 13,057,542.48, 18,000,417.41 and 9,125,089.58 is: 12,579,351.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057,542.48 : 18,000,417.41 = 9,125,089.58 : x
  2. Step 2: Convert to fraction form
    13,057,542.48/18,000,417.41 = 9,125,089.58/x
  3. Step 3: Cross multiply
    13,057,542.48x = 18,000,417.41 × 9,125,089.58
  4. Step 4: Simplify right side
    13,057,542.48x = 164,255,421,276,452.22
  5. Step 5: Solve for x
    x = 164,255,421,276,452.22/13,057,542.48
  6. Step 6: Final answer
    x = 12,579,351.86

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1.5x scale

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.