Home / 13,158,879.60-19,738,319.40-9,970,233.60

Finding the Fourth Proportional to 13,158,879.60, 19,738,319.40 and 9,970,233.60

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Solution

The fourth proportional to 13,158,879.60, 19,738,319.40 and 9,970,233.60 is: 14,955,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,158,879.60 : 19,738,319.40 = 9,970,233.60 : x
  2. Step 2: Convert to fraction form
    13,158,879.60/19,738,319.40 = 9,970,233.60/x
  3. Step 3: Cross multiply
    13,158,879.60x = 19,738,319.40 × 9,970,233.60
  4. Step 4: Simplify right side
    13,158,879.60x = 196,795,655,289,411.81
  5. Step 5: Solve for x
    x = 196,795,655,289,411.81/13,158,879.60
  6. Step 6: Final answer
    x = 14,955,350.40

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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.