Home / 13,153,346.40-19,720,688.40-5,968,322.40

Finding the Fourth Proportional to 13,153,346.40, 19,720,688.40 and 5,968,322.40

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Solution

The fourth proportional to 13,153,346.40, 19,720,688.40 and 5,968,322.40 is: 8,948,249.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153,346.40 : 19,720,688.40 = 5,968,322.40 : x
  2. Step 2: Convert to fraction form
    13,153,346.40/19,720,688.40 = 5,968,322.40/x
  3. Step 3: Cross multiply
    13,153,346.40x = 19,720,688.40 × 5,968,322.40
  4. Step 4: Simplify right side
    13,153,346.40x = 117,699,426,321,140.16
  5. Step 5: Solve for x
    x = 117,699,426,321,140.16/13,153,346.40
  6. Step 6: Final answer
    x = 8,948,249.57

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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.