Home / 19,453,302.72-26,848,823.64-13,170,981.24

Finding the Fourth Proportional to 19,453,302.72, 26,848,823.64 and 13,170,981.24

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Solution

The fourth proportional to 19,453,302.72, 26,848,823.64 and 13,170,981.24 is: 18,178,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,453,302.72 : 26,848,823.64 = 13,170,981.24 : x
  2. Step 2: Convert to fraction form
    19,453,302.72/26,848,823.64 = 13,170,981.24/x
  3. Step 3: Cross multiply
    19,453,302.72x = 26,848,823.64 × 13,170,981.24
  4. Step 4: Simplify right side
    19,453,302.72x = 353,625,352,478,508.50
  5. Step 5: Solve for x
    x = 353,625,352,478,508.50/19,453,302.72
  6. Step 6: Final answer
    x = 18,178,165.30

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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.