Home / 20,602,349.23-30,880,015.54-8,298,437.51

Finding the Fourth Proportional to 20,602,349.23, 30,880,015.54 and 8,298,437.51

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Solution

The fourth proportional to 20,602,349.23, 30,880,015.54 and 8,298,437.51 is: 12,438,187.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,602,349.23 : 30,880,015.54 = 8,298,437.51 : x
  2. Step 2: Convert to fraction form
    20,602,349.23/30,880,015.54 = 8,298,437.51/x
  3. Step 3: Cross multiply
    20,602,349.23x = 30,880,015.54 × 8,298,437.51
  4. Step 4: Simplify right side
    20,602,349.23x = 256,255,879,070,626.62
  5. Step 5: Solve for x
    x = 256,255,879,070,626.62/20,602,349.23
  6. Step 6: Final answer
    x = 12,438,187.33

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1.5x scale

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.