Home / 13,459,238.81-18,573,654.87-7,347,667.31

Finding the Fourth Proportional to 13,459,238.81, 18,573,654.87 and 7,347,667.31

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Solution

The fourth proportional to 13,459,238.81, 18,573,654.87 and 7,347,667.31 is: 10,139,729.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459,238.81 : 18,573,654.87 = 7,347,667.31 : x
  2. Step 2: Convert to fraction form
    13,459,238.81/18,573,654.87 = 7,347,667.31/x
  3. Step 3: Cross multiply
    13,459,238.81x = 18,573,654.87 × 7,347,667.31
  4. Step 4: Simplify right side
    13,459,238.81x = 136,473,036,622,653.03
  5. Step 5: Solve for x
    x = 136,473,036,622,653.03/13,459,238.81
  6. Step 6: Final answer
    x = 10,139,729.19

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1.5x scale

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.