Home / 18,215,017.12-25,136,748.12-10,479,904.30

Finding the Fourth Proportional to 18,215,017.12, 25,136,748.12 and 10,479,904.30

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Solution

The fourth proportional to 18,215,017.12, 25,136,748.12 and 10,479,904.30 is: 14,462,282.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215,017.12 : 25,136,748.12 = 10,479,904.30 : x
  2. Step 2: Convert to fraction form
    18,215,017.12/25,136,748.12 = 10,479,904.30/x
  3. Step 3: Cross multiply
    18,215,017.12x = 25,136,748.12 × 10,479,904.30
  4. Step 4: Simplify right side
    18,215,017.12x = 263,430,714,710,804.94
  5. Step 5: Solve for x
    x = 263,430,714,710,804.94/18,215,017.12
  6. Step 6: Final answer
    x = 14,462,282.03

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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.