Home / 13,729,011.06-18,943,075.26-7,924,429.56

Finding the Fourth Proportional to 13,729,011.06, 18,943,075.26 and 7,924,429.56

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Solution

The fourth proportional to 13,729,011.06, 18,943,075.26 and 7,924,429.56 is: 10,934,004.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,729,011.06 : 18,943,075.26 = 7,924,429.56 : x
  2. Step 2: Convert to fraction form
    13,729,011.06/18,943,075.26 = 7,924,429.56/x
  3. Step 3: Cross multiply
    13,729,011.06x = 18,943,075.26 × 7,924,429.56
  4. Step 4: Simplify right side
    13,729,011.06x = 150,113,065,547,648.69
  5. Step 5: Solve for x
    x = 150,113,065,547,648.69/13,729,011.06
  6. Step 6: Final answer
    x = 10,934,004.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.