Home / 13,285,990.56-18,334,722.96-7,484,841.84

Finding the Fourth Proportional to 13,285,990.56, 18,334,722.96 and 7,484,841.84

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Solution

The fourth proportional to 13,285,990.56, 18,334,722.96 and 7,484,841.84 is: 10,329,113.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,990.56 : 18,334,722.96 = 7,484,841.84 : x
  2. Step 2: Convert to fraction form
    13,285,990.56/18,334,722.96 = 7,484,841.84/x
  3. Step 3: Cross multiply
    13,285,990.56x = 18,334,722.96 × 7,484,841.84
  4. Step 4: Simplify right side
    13,285,990.56x = 137,232,501,535,816.66
  5. Step 5: Solve for x
    x = 137,232,501,535,816.66/13,285,990.56
  6. Step 6: Final answer
    x = 10,329,113.28

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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.