Home / 15,470,055.59-21,347,426.94-8,944,105.64

Finding the Fourth Proportional to 15,470,055.59, 21,347,426.94 and 8,944,105.64

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Solution

The fourth proportional to 15,470,055.59, 21,347,426.94 and 8,944,105.64 is: 12,342,143.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,470,055.59 : 21,347,426.94 = 8,944,105.64 : x
  2. Step 2: Convert to fraction form
    15,470,055.59/21,347,426.94 = 8,944,105.64/x
  3. Step 3: Cross multiply
    15,470,055.59x = 21,347,426.94 × 8,944,105.64
  4. Step 4: Simplify right side
    15,470,055.59x = 190,933,641,586,804.81
  5. Step 5: Solve for x
    x = 190,933,641,586,804.81/15,470,055.59
  6. Step 6: Final answer
    x = 12,342,143.22

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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.