Home / 21,821,966.68-32,742,389.10-11,712,777.88

Finding the Fourth Proportional to 21,821,966.68, 32,742,389.10 and 11,712,777.88

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Solution

The fourth proportional to 21,821,966.68, 32,742,389.10 and 11,712,777.88 is: 17,574,233.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,821,966.68 : 32,742,389.10 = 11,712,777.88 : x
  2. Step 2: Convert to fraction form
    21,821,966.68/32,742,389.10 = 11,712,777.88/x
  3. Step 3: Cross multiply
    21,821,966.68x = 32,742,389.10 × 11,712,777.88
  4. Step 4: Simplify right side
    21,821,966.68x = 383,504,330,788,833.12
  5. Step 5: Solve for x
    x = 383,504,330,788,833.12/21,821,966.68
  6. Step 6: Final answer
    x = 17,574,233.18

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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.