Home / 10,178,556.76-15,267,825.40-2,605,510.36

Finding the Fourth Proportional to 10,178,556.76, 15,267,825.40 and 2,605,510.36

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Solution

The fourth proportional to 10,178,556.76, 15,267,825.40 and 2,605,510.36 is: 3,908,263.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178,556.76 : 15,267,825.40 = 2,605,510.36 : x
  2. Step 2: Convert to fraction form
    10,178,556.76/15,267,825.40 = 2,605,510.36/x
  3. Step 3: Cross multiply
    10,178,556.76x = 15,267,825.40 × 2,605,510.36
  4. Step 4: Simplify right side
    10,178,556.76x = 39,780,477,254,371.14
  5. Step 5: Solve for x
    x = 39,780,477,254,371.14/10,178,556.76
  6. Step 6: Final answer
    x = 3,908,263.05

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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.