Home / 18,349,778.72-25,326,547.72-11,639,771.12

Finding the Fourth Proportional to 18,349,778.72, 25,326,547.72 and 11,639,771.12

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Solution

The fourth proportional to 18,349,778.72, 25,326,547.72 and 11,639,771.12 is: 16,065,328.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349,778.72 : 25,326,547.72 = 11,639,771.12 : x
  2. Step 2: Convert to fraction form
    18,349,778.72/25,326,547.72 = 11,639,771.12/x
  3. Step 3: Cross multiply
    18,349,778.72x = 25,326,547.72 × 11,639,771.12
  4. Step 4: Simplify right side
    18,349,778.72x = 294,795,218,720,557.81
  5. Step 5: Solve for x
    x = 294,795,218,720,557.81/18,349,778.72
  6. Step 6: Final answer
    x = 16,065,328.26

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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.