Home / 13,128,075.72-19,691,401.77-4,030,175.16

Finding the Fourth Proportional to 13,128,075.72, 19,691,401.77 and 4,030,175.16

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Solution

The fourth proportional to 13,128,075.72, 19,691,401.77 and 4,030,175.16 is: 6,045,044.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,128,075.72 : 19,691,401.77 = 4,030,175.16 : x
  2. Step 2: Convert to fraction form
    13,128,075.72/19,691,401.77 = 4,030,175.16/x
  3. Step 3: Cross multiply
    13,128,075.72x = 19,691,401.77 × 4,030,175.16
  4. Step 4: Simplify right side
    13,128,075.72x = 79,359,798,279,034.03
  5. Step 5: Solve for x
    x = 79,359,798,279,034.03/13,128,075.72
  6. Step 6: Final answer
    x = 6,045,044.22

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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.