Home / 20,228,975.90-30,371,457.45-15,973,948.70

Finding the Fourth Proportional to 20,228,975.90, 30,371,457.45 and 15,973,948.70

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Solution

The fourth proportional to 20,228,975.90, 30,371,457.45 and 15,973,948.70 is: 23,983,028.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,228,975.90 : 30,371,457.45 = 15,973,948.70 : x
  2. Step 2: Convert to fraction form
    20,228,975.90/30,371,457.45 = 15,973,948.70/x
  3. Step 3: Cross multiply
    20,228,975.90x = 30,371,457.45 × 15,973,948.70
  4. Step 4: Simplify right side
    20,228,975.90x = 485,152,103,250,532.75
  5. Step 5: Solve for x
    x = 485,152,103,250,532.75/20,228,975.90
  6. Step 6: Final answer
    x = 23,983,028.39

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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.