Home / 18,175,376.10-27,238,056.75-7,788,160.74

Finding the Fourth Proportional to 18,175,376.10, 27,238,056.75 and 7,788,160.74

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Solution

The fourth proportional to 18,175,376.10, 27,238,056.75 and 7,788,160.74 is: 11,671,525.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,175,376.10 : 27,238,056.75 = 7,788,160.74 : x
  2. Step 2: Convert to fraction form
    18,175,376.10/27,238,056.75 = 7,788,160.74/x
  3. Step 3: Cross multiply
    18,175,376.10x = 27,238,056.75 × 7,788,160.74
  4. Step 4: Simplify right side
    18,175,376.10x = 212,134,364,214,242
  5. Step 5: Solve for x
    x = 212,134,364,214,242/18,175,376.10
  6. Step 6: Final answer
    x = 11,671,525.42

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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.