Home / 9,533,140.96-13,155,640.96-5,181,968.40

Finding the Fourth Proportional to 9,533,140.96, 13,155,640.96 and 5,181,968.40

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Solution

The fourth proportional to 9,533,140.96, 13,155,640.96 and 5,181,968.40 is: 7,151,065.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,533,140.96 : 13,155,640.96 = 5,181,968.40 : x
  2. Step 2: Convert to fraction form
    9,533,140.96/13,155,640.96 = 5,181,968.40/x
  3. Step 3: Cross multiply
    9,533,140.96x = 13,155,640.96 × 5,181,968.40
  4. Step 4: Simplify right side
    9,533,140.96x = 68,172,115,736,465.67
  5. Step 5: Solve for x
    x = 68,172,115,736,465.67/9,533,140.96
  6. Step 6: Final answer
    x = 7,151,065.53

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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.