Home / 13,766,749.47-18,998,130.02-7,655,046.75

Finding the Fourth Proportional to 13,766,749.47, 18,998,130.02 and 7,655,046.75

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Solution

The fourth proportional to 13,766,749.47, 18,998,130.02 and 7,655,046.75 is: 10,563,973.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766,749.47 : 18,998,130.02 = 7,655,046.75 : x
  2. Step 2: Convert to fraction form
    13,766,749.47/18,998,130.02 = 7,655,046.75/x
  3. Step 3: Cross multiply
    13,766,749.47x = 18,998,130.02 × 7,655,046.75
  4. Step 4: Simplify right side
    13,766,749.47x = 145,431,573,427,403.22
  5. Step 5: Solve for x
    x = 145,431,573,427,403.22/13,766,749.47
  6. Step 6: Final answer
    x = 10,563,973.27

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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.