Home / 18,753,878.40-28,130,817.60-17,998,051.20

Finding the Fourth Proportional to 18,753,878.40, 28,130,817.60 and 17,998,051.20

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Solution

The fourth proportional to 18,753,878.40, 28,130,817.60 and 17,998,051.20 is: 26,997,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,753,878.40 : 28,130,817.60 = 17,998,051.20 : x
  2. Step 2: Convert to fraction form
    18,753,878.40/28,130,817.60 = 17,998,051.20/x
  3. Step 3: Cross multiply
    18,753,878.40x = 28,130,817.60 × 17,998,051.20
  4. Step 4: Simplify right side
    18,753,878.40x = 506,299,895,462,661.12
  5. Step 5: Solve for x
    x = 506,299,895,462,661.12/18,753,878.40
  6. Step 6: Final answer
    x = 26,997,076.80

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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.