Home / 19,492,409.40-29,207,121.30-12,291,055.80

Finding the Fourth Proportional to 19,492,409.40, 29,207,121.30 and 12,291,055.80

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Solution

The fourth proportional to 19,492,409.40, 29,207,121.30 and 12,291,055.80 is: 18,416,725.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,492,409.40 : 29,207,121.30 = 12,291,055.80 : x
  2. Step 2: Convert to fraction form
    19,492,409.40/29,207,121.30 = 12,291,055.80/x
  3. Step 3: Cross multiply
    19,492,409.40x = 29,207,121.30 × 12,291,055.80
  4. Step 4: Simplify right side
    19,492,409.40x = 358,986,357,655,668.56
  5. Step 5: Solve for x
    x = 358,986,357,655,668.56/19,492,409.40
  6. Step 6: Final answer
    x = 18,416,725.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.