Home / 19,685,266.80-29,527,900.20-7,718,002.80

Finding the Fourth Proportional to 19,685,266.80, 29,527,900.20 and 7,718,002.80

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Solution

The fourth proportional to 19,685,266.80, 29,527,900.20 and 7,718,002.80 is: 11,577,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,685,266.80 : 29,527,900.20 = 7,718,002.80 : x
  2. Step 2: Convert to fraction form
    19,685,266.80/29,527,900.20 = 7,718,002.80/x
  3. Step 3: Cross multiply
    19,685,266.80x = 29,527,900.20 × 7,718,002.80
  4. Step 4: Simplify right side
    19,685,266.80x = 227,896,416,421,720.56
  5. Step 5: Solve for x
    x = 227,896,416,421,720.56/19,685,266.80
  6. Step 6: Final answer
    x = 11,577,004.20

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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.