Home / 18,809,937.30-28,214,905.95-9,243,999.30

Finding the Fourth Proportional to 18,809,937.30, 28,214,905.95 and 9,243,999.30

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Solution

The fourth proportional to 18,809,937.30, 28,214,905.95 and 9,243,999.30 is: 13,865,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,809,937.30 : 28,214,905.95 = 9,243,999.30 : x
  2. Step 2: Convert to fraction form
    18,809,937.30/28,214,905.95 = 9,243,999.30/x
  3. Step 3: Cross multiply
    18,809,937.30x = 28,214,905.95 × 9,243,999.30
  4. Step 4: Simplify right side
    18,809,937.30x = 260,818,570,851,365.84
  5. Step 5: Solve for x
    x = 260,818,570,851,365.84/18,809,937.30
  6. Step 6: Final answer
    x = 13,865,998.95

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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.