Home / 13,280,437.50-18,326,519.91-7,399,767.81

Finding the Fourth Proportional to 13,280,437.50, 18,326,519.91 and 7,399,767.81

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Solution

The fourth proportional to 13,280,437.50, 18,326,519.91 and 7,399,767.81 is: 10,211,409.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280,437.50 : 18,326,519.91 = 7,399,767.81 : x
  2. Step 2: Convert to fraction form
    13,280,437.50/18,326,519.91 = 7,399,767.81/x
  3. Step 3: Cross multiply
    13,280,437.50x = 18,326,519.91 × 7,399,767.81
  4. Step 4: Simplify right side
    13,280,437.50x = 135,611,992,090,997.47
  5. Step 5: Solve for x
    x = 135,611,992,090,997.47/13,280,437.50
  6. Step 6: Final answer
    x = 10,211,409.99

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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.