Home / 13,234,445.20-19,851,667.80-5,256,269.20

Finding the Fourth Proportional to 13,234,445.20, 19,851,667.80 and 5,256,269.20

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Solution

The fourth proportional to 13,234,445.20, 19,851,667.80 and 5,256,269.20 is: 7,884,403.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,234,445.20 : 19,851,667.80 = 5,256,269.20 : x
  2. Step 2: Convert to fraction form
    13,234,445.20/19,851,667.80 = 5,256,269.20/x
  3. Step 3: Cross multiply
    13,234,445.20x = 19,851,667.80 × 5,256,269.20
  4. Step 4: Simplify right side
    13,234,445.20x = 104,345,710,025,771.77
  5. Step 5: Solve for x
    x = 104,345,710,025,771.77/13,234,445.20
  6. Step 6: Final answer
    x = 7,884,403.80

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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.