Home / 13,147,670.40-19,721,505.60-4,173,129.60

Finding the Fourth Proportional to 13,147,670.40, 19,721,505.60 and 4,173,129.60

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Solution

The fourth proportional to 13,147,670.40, 19,721,505.60 and 4,173,129.60 is: 6,259,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147,670.40 : 19,721,505.60 = 4,173,129.60 : x
  2. Step 2: Convert to fraction form
    13,147,670.40/19,721,505.60 = 4,173,129.60/x
  3. Step 3: Cross multiply
    13,147,670.40x = 19,721,505.60 × 4,173,129.60
  4. Step 4: Simplify right side
    13,147,670.40x = 82,300,398,775,925.77
  5. Step 5: Solve for x
    x = 82,300,398,775,925.77/13,147,670.40
  6. Step 6: Final answer
    x = 6,259,694.40

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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.