Home / 11,066,871.80-16,600,307.70-7,819,614.20

Finding the Fourth Proportional to 11,066,871.80, 16,600,307.70 and 7,819,614.20

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Solution

The fourth proportional to 11,066,871.80, 16,600,307.70 and 7,819,614.20 is: 11,729,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,066,871.80 : 16,600,307.70 = 7,819,614.20 : x
  2. Step 2: Convert to fraction form
    11,066,871.80/16,600,307.70 = 7,819,614.20/x
  3. Step 3: Cross multiply
    11,066,871.80x = 16,600,307.70 × 7,819,614.20
  4. Step 4: Simplify right side
    11,066,871.80x = 129,808,001,815,289.34
  5. Step 5: Solve for x
    x = 129,808,001,815,289.34/11,066,871.80
  6. Step 6: Final answer
    x = 11,729,421.30

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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.