Home / 11,955,507.16-17,931,931.86-4,278,841.96

Finding the Fourth Proportional to 11,955,507.16, 17,931,931.86 and 4,278,841.96

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Solution

The fourth proportional to 11,955,507.16, 17,931,931.86 and 4,278,841.96 is: 6,417,787.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,955,507.16 : 17,931,931.86 = 4,278,841.96 : x
  2. Step 2: Convert to fraction form
    11,955,507.16/17,931,931.86 = 4,278,841.96/x
  3. Step 3: Cross multiply
    11,955,507.16x = 17,931,931.86 × 4,278,841.96
  4. Step 4: Simplify right side
    11,955,507.16x = 76,727,902,466,428.84
  5. Step 5: Solve for x
    x = 76,727,902,466,428.84/11,955,507.16
  6. Step 6: Final answer
    x = 6,417,787.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.