Home / 15,102,407.08-20,839,768.32-8,485,944.76

Finding the Fourth Proportional to 15,102,407.08, 20,839,768.32 and 8,485,944.76

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Solution

The fourth proportional to 15,102,407.08, 20,839,768.32 and 8,485,944.76 is: 11,709,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,102,407.08 : 20,839,768.32 = 8,485,944.76 : x
  2. Step 2: Convert to fraction form
    15,102,407.08/20,839,768.32 = 8,485,944.76/x
  3. Step 3: Cross multiply
    15,102,407.08x = 20,839,768.32 × 8,485,944.76
  4. Step 4: Simplify right side
    15,102,407.08x = 176,845,122,774,718
  5. Step 5: Solve for x
    x = 176,845,122,774,718/15,102,407.08
  6. Step 6: Final answer
    x = 11,709,730.90

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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.