Home / 20,736,161.40-31,104,242.10-17,712,852.60

Finding the Fourth Proportional to 20,736,161.40, 31,104,242.10 and 17,712,852.60

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Solution

The fourth proportional to 20,736,161.40, 31,104,242.10 and 17,712,852.60 is: 26,569,278.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,161.40 : 31,104,242.10 = 17,712,852.60 : x
  2. Step 2: Convert to fraction form
    20,736,161.40/31,104,242.10 = 17,712,852.60/x
  3. Step 3: Cross multiply
    20,736,161.40x = 31,104,242.10 × 17,712,852.60
  4. Step 4: Simplify right side
    20,736,161.40x = 550,944,855,552,014.56
  5. Step 5: Solve for x
    x = 550,944,855,552,014.56/20,736,161.40
  6. Step 6: Final answer
    x = 26,569,278.90

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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.