Home / 13,507,151.06-18,639,846.96-7,312,196

Finding the Fourth Proportional to 13,507,151.06, 18,639,846.96 and 7,312,196

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Solution

The fourth proportional to 13,507,151.06, 18,639,846.96 and 7,312,196 is: 10,090,818.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507,151.06 : 18,639,846.96 = 7,312,196 : x
  2. Step 2: Convert to fraction form
    13,507,151.06/18,639,846.96 = 7,312,196/x
  3. Step 3: Cross multiply
    13,507,151.06x = 18,639,846.96 × 7,312,196
  4. Step 4: Simplify right side
    13,507,151.06x = 136,298,214,381,524.17
  5. Step 5: Solve for x
    x = 136,298,214,381,524.17/13,507,151.06
  6. Step 6: Final answer
    x = 10,090,818.84

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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.