Home / 20,744,590.40-31,092,002.40-10,642,011.20

Finding the Fourth Proportional to 20,744,590.40, 31,092,002.40 and 10,642,011.20

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Solution

The fourth proportional to 20,744,590.40, 31,092,002.40 and 10,642,011.20 is: 15,950,251.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,744,590.40 : 31,092,002.40 = 10,642,011.20 : x
  2. Step 2: Convert to fraction form
    20,744,590.40/31,092,002.40 = 10,642,011.20/x
  3. Step 3: Cross multiply
    20,744,590.40x = 31,092,002.40 × 10,642,011.20
  4. Step 4: Simplify right side
    20,744,590.40x = 330,881,437,771,226.81
  5. Step 5: Solve for x
    x = 330,881,437,771,226.81/20,744,590.40
  6. Step 6: Final answer
    x = 15,950,251.67

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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.