Home / 10,259,675.40-15,389,513.10-2,687,406.60

Finding the Fourth Proportional to 10,259,675.40, 15,389,513.10 and 2,687,406.60

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Solution

The fourth proportional to 10,259,675.40, 15,389,513.10 and 2,687,406.60 is: 4,031,109.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,259,675.40 : 15,389,513.10 = 2,687,406.60 : x
  2. Step 2: Convert to fraction form
    10,259,675.40/15,389,513.10 = 2,687,406.60/x
  3. Step 3: Cross multiply
    10,259,675.40x = 15,389,513.10 × 2,687,406.60
  4. Step 4: Simplify right side
    10,259,675.40x = 41,357,879,075,726.46
  5. Step 5: Solve for x
    x = 41,357,879,075,726.46/10,259,675.40
  6. Step 6: Final answer
    x = 4,031,109.90

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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.