Home / 13,365,905.32-18,444,967.14-7,254,334.60

Finding the Fourth Proportional to 13,365,905.32, 18,444,967.14 and 7,254,334.60

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Solution

The fourth proportional to 13,365,905.32, 18,444,967.14 and 7,254,334.60 is: 10,010,991.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365,905.32 : 18,444,967.14 = 7,254,334.60 : x
  2. Step 2: Convert to fraction form
    13,365,905.32/18,444,967.14 = 7,254,334.60/x
  3. Step 3: Cross multiply
    13,365,905.32x = 18,444,967.14 × 7,254,334.60
  4. Step 4: Simplify right side
    13,365,905.32x = 133,805,963,319,565.05
  5. Step 5: Solve for x
    x = 133,805,963,319,565.05/13,365,905.32
  6. Step 6: Final answer
    x = 10,010,991.41

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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.