Home / 13,693,280.66-18,896,727.48-7,892,436.07

Finding the Fourth Proportional to 13,693,280.66, 18,896,727.48 and 7,892,436.07

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Solution

The fourth proportional to 13,693,280.66, 18,896,727.48 and 7,892,436.07 is: 10,891,561.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,693,280.66 : 18,896,727.48 = 7,892,436.07 : x
  2. Step 2: Convert to fraction form
    13,693,280.66/18,896,727.48 = 7,892,436.07/x
  3. Step 3: Cross multiply
    13,693,280.66x = 18,896,727.48 × 7,892,436.07
  4. Step 4: Simplify right side
    13,693,280.66x = 149,141,213,579,958.84
  5. Step 5: Solve for x
    x = 149,141,213,579,958.84/13,693,280.66
  6. Step 6: Final answer
    x = 10,891,561.87

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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.