Home / 13,636,878.60-18,818,602.38-7,441,719.96

Finding the Fourth Proportional to 13,636,878.60, 18,818,602.38 and 7,441,719.96

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Solution

The fourth proportional to 13,636,878.60, 18,818,602.38 and 7,441,719.96 is: 10,269,415.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,636,878.60 : 18,818,602.38 = 7,441,719.96 : x
  2. Step 2: Convert to fraction form
    13,636,878.60/18,818,602.38 = 7,441,719.96/x
  3. Step 3: Cross multiply
    13,636,878.60x = 18,818,602.38 × 7,441,719.96
  4. Step 4: Simplify right side
    13,636,878.60x = 140,042,768,950,549.50
  5. Step 5: Solve for x
    x = 140,042,768,950,549.50/13,636,878.60
  6. Step 6: Final answer
    x = 10,269,415.24

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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.