Home / 12,307,913.43-18,462,657.43-4,734,879.18

Finding the Fourth Proportional to 12,307,913.43, 18,462,657.43 and 4,734,879.18

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Solution

The fourth proportional to 12,307,913.43, 18,462,657.43 and 4,734,879.18 is: 7,102,621.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307,913.43 : 18,462,657.43 = 4,734,879.18 : x
  2. Step 2: Convert to fraction form
    12,307,913.43/18,462,657.43 = 4,734,879.18/x
  3. Step 3: Cross multiply
    12,307,913.43x = 18,462,657.43 × 4,734,879.18
  4. Step 4: Simplify right side
    12,307,913.43x = 87,418,452,272,779.30
  5. Step 5: Solve for x
    x = 87,418,452,272,779.30/12,307,913.43
  6. Step 6: Final answer
    x = 7,102,621.64

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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.