Home / 20,317,962.30-30,476,857.51-7,361,075.11

Finding the Fourth Proportional to 20,317,962.30, 30,476,857.51 and 7,361,075.11

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Solution

The fourth proportional to 20,317,962.30, 30,476,857.51 and 7,361,075.11 is: 11,041,581.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,317,962.30 : 30,476,857.51 = 7,361,075.11 : x
  2. Step 2: Convert to fraction form
    20,317,962.30/30,476,857.51 = 7,361,075.11/x
  3. Step 3: Cross multiply
    20,317,962.30x = 30,476,857.51 × 7,361,075.11
  4. Step 4: Simplify right side
    20,317,962.30x = 224,342,437,205,525.25
  5. Step 5: Solve for x
    x = 224,342,437,205,525.25/20,317,962.30
  6. Step 6: Final answer
    x = 11,041,581.53

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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.