Home / 13,174,313.28-18,182,461.65-7,591,473.60

Finding the Fourth Proportional to 13,174,313.28, 18,182,461.65 and 7,591,473.60

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Solution

The fourth proportional to 13,174,313.28, 18,182,461.65 and 7,591,473.60 is: 10,477,333.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174,313.28 : 18,182,461.65 = 7,591,473.60 : x
  2. Step 2: Convert to fraction form
    13,174,313.28/18,182,461.65 = 7,591,473.60/x
  3. Step 3: Cross multiply
    13,174,313.28x = 18,182,461.65 × 7,591,473.60
  4. Step 4: Simplify right side
    13,174,313.28x = 138,031,677,508,075.11
  5. Step 5: Solve for x
    x = 138,031,677,508,075.11/13,174,313.28
  6. Step 6: Final answer
    x = 10,477,333.78

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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.