Home / 13,636,879.60-18,818,603.76-7,441,720.96

Finding the Fourth Proportional to 13,636,879.60, 18,818,603.76 and 7,441,720.96

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Solution

The fourth proportional to 13,636,879.60, 18,818,603.76 and 7,441,720.96 is: 10,269,416.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,636,879.60 : 18,818,603.76 = 7,441,720.96 : x
  2. Step 2: Convert to fraction form
    13,636,879.60/18,818,603.76 = 7,441,720.96/x
  3. Step 3: Cross multiply
    13,636,879.60x = 18,818,603.76 × 7,441,720.96
  4. Step 4: Simplify right side
    13,636,879.60x = 140,042,798,038,726.83
  5. Step 5: Solve for x
    x = 140,042,798,038,726.83/13,636,879.60
  6. Step 6: Final answer
    x = 10,269,416.62

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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.