Home / 21,308,012.62-31,962,614.45-6,931,080.46

Finding the Fourth Proportional to 21,308,012.62, 31,962,614.45 and 6,931,080.46

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Solution

The fourth proportional to 21,308,012.62, 31,962,614.45 and 6,931,080.46 is: 10,396,814.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,308,012.62 : 31,962,614.45 = 6,931,080.46 : x
  2. Step 2: Convert to fraction form
    21,308,012.62/31,962,614.45 = 6,931,080.46/x
  3. Step 3: Cross multiply
    21,308,012.62x = 31,962,614.45 × 6,931,080.46
  4. Step 4: Simplify right side
    21,308,012.62x = 221,535,452,470,206.50
  5. Step 5: Solve for x
    x = 221,535,452,470,206.50/21,308,012.62
  6. Step 6: Final answer
    x = 10,396,814.40

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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.