Home / 28,608,106.72-42,908,119.80-9,174,807.49

Finding the Fourth Proportional to 28,608,106.72, 42,908,119.80 and 9,174,807.49

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Solution

The fourth proportional to 28,608,106.72, 42,908,119.80 and 9,174,807.49 is: 13,760,915.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608,106.72 : 42,908,119.80 = 9,174,807.49 : x
  2. Step 2: Convert to fraction form
    28,608,106.72/42,908,119.80 = 9,174,807.49/x
  3. Step 3: Cross multiply
    28,608,106.72x = 42,908,119.80 × 9,174,807.49
  4. Step 4: Simplify right side
    28,608,106.72x = 393,673,738,922,857.31
  5. Step 5: Solve for x
    x = 393,673,738,922,857.31/28,608,106.72
  6. Step 6: Final answer
    x = 13,760,915.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.