Home / 12,913,134.73-17,820,931.84-7,111,914.93

Finding the Fourth Proportional to 12,913,134.73, 17,820,931.84 and 7,111,914.93

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Solution

The fourth proportional to 12,913,134.73, 17,820,931.84 and 7,111,914.93 is: 9,814,886.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,913,134.73 : 17,820,931.84 = 7,111,914.93 : x
  2. Step 2: Convert to fraction form
    12,913,134.73/17,820,931.84 = 7,111,914.93/x
  3. Step 3: Cross multiply
    12,913,134.73x = 17,820,931.84 × 7,111,914.93
  4. Step 4: Simplify right side
    12,913,134.73x = 126,740,951,201,628.56
  5. Step 5: Solve for x
    x = 126,740,951,201,628.56/12,913,134.73
  6. Step 6: Final answer
    x = 9,814,886.46

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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.