Home / 13,147,075.40-19,720,613.10-4,172,534.60

Finding the Fourth Proportional to 13,147,075.40, 19,720,613.10 and 4,172,534.60

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Solution

The fourth proportional to 13,147,075.40, 19,720,613.10 and 4,172,534.60 is: 6,258,801.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147,075.40 : 19,720,613.10 = 4,172,534.60 : x
  2. Step 2: Convert to fraction form
    13,147,075.40/19,720,613.10 = 4,172,534.60/x
  3. Step 3: Cross multiply
    13,147,075.40x = 19,720,613.10 × 4,172,534.60
  4. Step 4: Simplify right side
    13,147,075.40x = 82,284,940,492,963.27
  5. Step 5: Solve for x
    x = 82,284,940,492,963.27/13,147,075.40
  6. Step 6: Final answer
    x = 6,258,801.90

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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.