Home / 15,057,916.65-20,779,715.73-8,352,044.64

Finding the Fourth Proportional to 15,057,916.65, 20,779,715.73 and 8,352,044.64

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Solution

The fourth proportional to 15,057,916.65, 20,779,715.73 and 8,352,044.64 is: 11,525,705.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,057,916.65 : 20,779,715.73 = 8,352,044.64 : x
  2. Step 2: Convert to fraction form
    15,057,916.65/20,779,715.73 = 8,352,044.64/x
  3. Step 3: Cross multiply
    15,057,916.65x = 20,779,715.73 × 8,352,044.64
  4. Step 4: Simplify right side
    15,057,916.65x = 173,553,113,383,470.19
  5. Step 5: Solve for x
    x = 173,553,113,383,470.19/15,057,916.65
  6. Step 6: Final answer
    x = 11,525,705.54

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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.