Home / 7,429,390.61-11,143,975.13-2,575,230.66

Finding the Fourth Proportional to 7,429,390.61, 11,143,975.13 and 2,575,230.66

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Solution

The fourth proportional to 7,429,390.61, 11,143,975.13 and 2,575,230.66 is: 3,862,807.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429,390.61 : 11,143,975.13 = 2,575,230.66 : x
  2. Step 2: Convert to fraction form
    7,429,390.61/11,143,975.13 = 2,575,230.66/x
  3. Step 3: Cross multiply
    7,429,390.61x = 11,143,975.13 × 2,575,230.66
  4. Step 4: Simplify right side
    7,429,390.61x = 28,698,306,440,320.12
  5. Step 5: Solve for x
    x = 28,698,306,440,320.12/7,429,390.61
  6. Step 6: Final answer
    x = 3,862,807.59

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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.