Home / 13,459,239.04-18,573,655.38-7,347,667.54

Finding the Fourth Proportional to 13,459,239.04, 18,573,655.38 and 7,347,667.54

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Solution

The fourth proportional to 13,459,239.04, 18,573,655.38 and 7,347,667.54 is: 10,139,729.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459,239.04 : 18,573,655.38 = 7,347,667.54 : x
  2. Step 2: Convert to fraction form
    13,459,239.04/18,573,655.38 = 7,347,667.54/x
  3. Step 3: Cross multiply
    13,459,239.04x = 18,573,655.38 × 7,347,667.54
  4. Step 4: Simplify right side
    13,459,239.04x = 136,473,044,734,772.36
  5. Step 5: Solve for x
    x = 136,473,044,734,772.36/13,459,239.04
  6. Step 6: Final answer
    x = 10,139,729.62

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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.