Home / 18,175,374.60-27,238,054.50-7,788,159.24

Finding the Fourth Proportional to 18,175,374.60, 27,238,054.50 and 7,788,159.24

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Solution

The fourth proportional to 18,175,374.60, 27,238,054.50 and 7,788,159.24 is: 11,671,523.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,175,374.60 : 27,238,054.50 = 7,788,159.24 : x
  2. Step 2: Convert to fraction form
    18,175,374.60/27,238,054.50 = 7,788,159.24/x
  3. Step 3: Cross multiply
    18,175,374.60x = 27,238,054.50 × 7,788,159.24
  4. Step 4: Simplify right side
    18,175,374.60x = 212,134,305,833,798.59
  5. Step 5: Solve for x
    x = 212,134,305,833,798.59/18,175,374.60
  6. Step 6: Final answer
    x = 11,671,523.17

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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.