Home / 12,387,225.95-18,581,025.69-4,300,458.38

Finding the Fourth Proportional to 12,387,225.95, 18,581,025.69 and 4,300,458.38

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Solution

The fourth proportional to 12,387,225.95, 18,581,025.69 and 4,300,458.38 is: 6,450,752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,387,225.95 : 18,581,025.69 = 4,300,458.38 : x
  2. Step 2: Convert to fraction form
    12,387,225.95/18,581,025.69 = 4,300,458.38/x
  3. Step 3: Cross multiply
    12,387,225.95x = 18,581,025.69 × 4,300,458.38
  4. Step 4: Simplify right side
    12,387,225.95x = 79,906,927,544,650.66
  5. Step 5: Solve for x
    x = 79,906,927,544,650.66/12,387,225.95
  6. Step 6: Final answer
    x = 6,450,752.40

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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.