Home / 20,736,052.10-31,104,078.15-10,119,220.10

Finding the Fourth Proportional to 20,736,052.10, 31,104,078.15 and 10,119,220.10

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Solution

The fourth proportional to 20,736,052.10, 31,104,078.15 and 10,119,220.10 is: 15,178,830.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,052.10 : 31,104,078.15 = 10,119,220.10 : x
  2. Step 2: Convert to fraction form
    20,736,052.10/31,104,078.15 = 10,119,220.10/x
  3. Step 3: Cross multiply
    20,736,052.10x = 31,104,078.15 × 10,119,220.10
  4. Step 4: Simplify right side
    20,736,052.10x = 314,749,012,807,450.81
  5. Step 5: Solve for x
    x = 314,749,012,807,450.81/20,736,052.10
  6. Step 6: Final answer
    x = 15,178,830.15

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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.