Home / 15,183,813.81-20,953,663.07-8,308,295.88

Finding the Fourth Proportional to 15,183,813.81, 20,953,663.07 and 8,308,295.88

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Solution

The fourth proportional to 15,183,813.81, 20,953,663.07 and 8,308,295.88 is: 11,465,448.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,183,813.81 : 20,953,663.07 = 8,308,295.88 : x
  2. Step 2: Convert to fraction form
    15,183,813.81/20,953,663.07 = 8,308,295.88/x
  3. Step 3: Cross multiply
    15,183,813.81x = 20,953,663.07 × 8,308,295.88
  4. Step 4: Simplify right side
    15,183,813.81x = 174,089,232,555,389.16
  5. Step 5: Solve for x
    x = 174,089,232,555,389.16/15,183,813.81
  6. Step 6: Final answer
    x = 11,465,448.32

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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.