Home / 10,513,728.16-14,515,513.44-8,061,628.96

Finding the Fourth Proportional to 10,513,728.16, 14,515,513.44 and 8,061,628.96

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Solution

The fourth proportional to 10,513,728.16, 14,515,513.44 and 8,061,628.96 is: 11,130,084.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,513,728.16 : 14,515,513.44 = 8,061,628.96 : x
  2. Step 2: Convert to fraction form
    10,513,728.16/14,515,513.44 = 8,061,628.96/x
  3. Step 3: Cross multiply
    10,513,728.16x = 14,515,513.44 × 8,061,628.96
  4. Step 4: Simplify right side
    10,513,728.16x = 117,018,683,517,173.22
  5. Step 5: Solve for x
    x = 117,018,683,517,173.22/10,513,728.16
  6. Step 6: Final answer
    x = 11,130,084.57

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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.