Home / 13,572,863.76-18,730,182.12-7,461,293.84

Finding the Fourth Proportional to 13,572,863.76, 18,730,182.12 and 7,461,293.84

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Solution

The fourth proportional to 13,572,863.76, 18,730,182.12 and 7,461,293.84 is: 10,296,382.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572,863.76 : 18,730,182.12 = 7,461,293.84 : x
  2. Step 2: Convert to fraction form
    13,572,863.76/18,730,182.12 = 7,461,293.84/x
  3. Step 3: Cross multiply
    13,572,863.76x = 18,730,182.12 × 7,461,293.84
  4. Step 4: Simplify right side
    13,572,863.76x = 139,751,392,474,034.14
  5. Step 5: Solve for x
    x = 139,751,392,474,034.14/13,572,863.76
  6. Step 6: Final answer
    x = 10,296,382.17

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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.