Home / 10,188,323.02-15,285,139.71-2,999,621.62

Finding the Fourth Proportional to 10,188,323.02, 15,285,139.71 and 2,999,621.62

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Solution

The fourth proportional to 10,188,323.02, 15,285,139.71 and 2,999,621.62 is: 4,500,214.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188,323.02 : 15,285,139.71 = 2,999,621.62 : x
  2. Step 2: Convert to fraction form
    10,188,323.02/15,285,139.71 = 2,999,621.62/x
  3. Step 3: Cross multiply
    10,188,323.02x = 15,285,139.71 × 2,999,621.62
  4. Step 4: Simplify right side
    10,188,323.02x = 45,849,635,538,836.53
  5. Step 5: Solve for x
    x = 45,849,635,538,836.53/10,188,323.02
  6. Step 6: Final answer
    x = 4,500,214.16

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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.