Home / 20,736,075.20-31,104,112.80-20,293,707.20

Finding the Fourth Proportional to 20,736,075.20, 31,104,112.80 and 20,293,707.20

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Solution

The fourth proportional to 20,736,075.20, 31,104,112.80 and 20,293,707.20 is: 30,440,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,075.20 : 31,104,112.80 = 20,293,707.20 : x
  2. Step 2: Convert to fraction form
    20,736,075.20/31,104,112.80 = 20,293,707.20/x
  3. Step 3: Cross multiply
    20,736,075.20x = 31,104,112.80 × 20,293,707.20
  4. Step 4: Simplify right side
    20,736,075.20x = 631,217,757,878,972.12
  5. Step 5: Solve for x
    x = 631,217,757,878,972.12/20,736,075.20
  6. Step 6: Final answer
    x = 30,440,560.80

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1.5x scale

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.