Home / 20,716,802.20-31,075,203.30-16,433,781.40

Finding the Fourth Proportional to 20,716,802.20, 31,075,203.30 and 16,433,781.40

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Solution

The fourth proportional to 20,716,802.20, 31,075,203.30 and 16,433,781.40 is: 24,650,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,716,802.20 : 31,075,203.30 = 16,433,781.40 : x
  2. Step 2: Convert to fraction form
    20,716,802.20/31,075,203.30 = 16,433,781.40/x
  3. Step 3: Cross multiply
    20,716,802.20x = 31,075,203.30 × 16,433,781.40
  4. Step 4: Simplify right side
    20,716,802.20x = 510,683,097,992,758.62
  5. Step 5: Solve for x
    x = 510,683,097,992,758.62/20,716,802.20
  6. Step 6: Final answer
    x = 24,650,672.10

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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.