Home / 13,065,819.35-18,031,293.63-7,185,908.32

Finding the Fourth Proportional to 13,065,819.35, 18,031,293.63 and 7,185,908.32

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Solution

The fourth proportional to 13,065,819.35, 18,031,293.63 and 7,185,908.32 is: 9,916,808.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065,819.35 : 18,031,293.63 = 7,185,908.32 : x
  2. Step 2: Convert to fraction form
    13,065,819.35/18,031,293.63 = 7,185,908.32/x
  3. Step 3: Cross multiply
    13,065,819.35x = 18,031,293.63 × 7,185,908.32
  4. Step 4: Simplify right side
    13,065,819.35x = 129,571,222,871,101.77
  5. Step 5: Solve for x
    x = 129,571,222,871,101.77/13,065,819.35
  6. Step 6: Final answer
    x = 9,916,808.08

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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.