Home / 15,470,900-21,350,506.31-8,595,382.07

Finding the Fourth Proportional to 15,470,900, 21,350,506.31 and 8,595,382.07

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Solution

The fourth proportional to 15,470,900, 21,350,506.31 and 8,595,382.07 is: 11,861,996.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,470,900 : 21,350,506.31 = 8,595,382.07 : x
  2. Step 2: Convert to fraction form
    15,470,900/21,350,506.31 = 8,595,382.07/x
  3. Step 3: Cross multiply
    15,470,900x = 21,350,506.31 × 8,595,382.07
  4. Step 4: Simplify right side
    15,470,900x = 183,515,759,122,395.84
  5. Step 5: Solve for x
    x = 183,515,759,122,395.84/15,470,900
  6. Step 6: Final answer
    x = 11,861,996.34

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1.5x scale

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.