Home / 14,987,715.54-20,683,548.75-9,185,376.06

Finding the Fourth Proportional to 14,987,715.54, 20,683,548.75 and 9,185,376.06

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Solution

The fourth proportional to 14,987,715.54, 20,683,548.75 and 9,185,376.06 is: 12,676,126.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987,715.54 : 20,683,548.75 = 9,185,376.06 : x
  2. Step 2: Convert to fraction form
    14,987,715.54/20,683,548.75 = 9,185,376.06/x
  3. Step 3: Cross multiply
    14,987,715.54x = 20,683,548.75 × 9,185,376.06
  4. Step 4: Simplify right side
    14,987,715.54x = 189,986,173,524,092.94
  5. Step 5: Solve for x
    x = 189,986,173,524,092.94/14,987,715.54
  6. Step 6: Final answer
    x = 12,676,126.19

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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.