Home / 13,066,080.32-18,030,718.80-7,185,663.68

Finding the Fourth Proportional to 13,066,080.32, 18,030,718.80 and 7,185,663.68

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Solution

The fourth proportional to 13,066,080.32, 18,030,718.80 and 7,185,663.68 is: 9,915,956.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066,080.32 : 18,030,718.80 = 7,185,663.68 : x
  2. Step 2: Convert to fraction form
    13,066,080.32/18,030,718.80 = 7,185,663.68/x
  3. Step 3: Cross multiply
    13,066,080.32x = 18,030,718.80 × 7,185,663.68
  4. Step 4: Simplify right side
    13,066,080.32x = 129,562,681,205,453.19
  5. Step 5: Solve for x
    x = 129,562,681,205,453.19/13,066,080.32
  6. Step 6: Final answer
    x = 9,915,956.28

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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.