Home / 15,072,807.84-20,800,029.36-8,547,033.12

Finding the Fourth Proportional to 15,072,807.84, 20,800,029.36 and 8,547,033.12

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Solution

The fourth proportional to 15,072,807.84, 20,800,029.36 and 8,547,033.12 is: 11,794,653.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,072,807.84 : 20,800,029.36 = 8,547,033.12 : x
  2. Step 2: Convert to fraction form
    15,072,807.84/20,800,029.36 = 8,547,033.12/x
  3. Step 3: Cross multiply
    15,072,807.84x = 20,800,029.36 × 8,547,033.12
  4. Step 4: Simplify right side
    15,072,807.84x = 177,778,539,836,892.38
  5. Step 5: Solve for x
    x = 177,778,539,836,892.38/15,072,807.84
  6. Step 6: Final answer
    x = 11,794,653.11

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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.