Home / 18,444,302.30-25,455,296.04-15,341,351.24

Finding the Fourth Proportional to 18,444,302.30, 25,455,296.04 and 15,341,351.24

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Solution

The fourth proportional to 18,444,302.30, 25,455,296.04 and 15,341,351.24 is: 21,172,860.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,444,302.30 : 25,455,296.04 = 15,341,351.24 : x
  2. Step 2: Convert to fraction form
    18,444,302.30/25,455,296.04 = 15,341,351.24/x
  3. Step 3: Cross multiply
    18,444,302.30x = 25,455,296.04 × 15,341,351.24
  4. Step 4: Simplify right side
    18,444,302.30x = 390,518,637,467,821.06
  5. Step 5: Solve for x
    x = 390,518,637,467,821.06/18,444,302.30
  6. Step 6: Final answer
    x = 21,172,860.38

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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.