Home / 13,654,122.81-18,842,967.25-7,459,570.74

Finding the Fourth Proportional to 13,654,122.81, 18,842,967.25 and 7,459,570.74

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Solution

The fourth proportional to 13,654,122.81, 18,842,967.25 and 7,459,570.74 is: 10,294,359.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654,122.81 : 18,842,967.25 = 7,459,570.74 : x
  2. Step 2: Convert to fraction form
    13,654,122.81/18,842,967.25 = 7,459,570.74/x
  3. Step 3: Cross multiply
    13,654,122.81x = 18,842,967.25 × 7,459,570.74
  4. Step 4: Simplify right side
    13,654,122.81x = 140,560,447,155,573.22
  5. Step 5: Solve for x
    x = 140,560,447,155,573.22/13,654,122.81
  6. Step 6: Final answer
    x = 10,294,359.37

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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.