Home / 7,539,971.28-10,405,045.96-4,102,133.84

Finding the Fourth Proportional to 7,539,971.28, 10,405,045.96 and 4,102,133.84

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Solution

The fourth proportional to 7,539,971.28, 10,405,045.96 and 4,102,133.84 is: 5,660,882.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539,971.28 : 10,405,045.96 = 4,102,133.84 : x
  2. Step 2: Convert to fraction form
    7,539,971.28/10,405,045.96 = 4,102,133.84/x
  3. Step 3: Cross multiply
    7,539,971.28x = 10,405,045.96 × 4,102,133.84
  4. Step 4: Simplify right side
    7,539,971.28x = 42,682,891,139,271.29
  5. Step 5: Solve for x
    x = 42,682,891,139,271.29/7,539,971.28
  6. Step 6: Final answer
    x = 5,660,882.46

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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.