Home / 13,530,453.12-18,696,762.90-9,852,968.88

Finding the Fourth Proportional to 13,530,453.12, 18,696,762.90 and 9,852,968.88

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Solution

The fourth proportional to 13,530,453.12, 18,696,762.90 and 9,852,968.88 is: 13,615,111.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,530,453.12 : 18,696,762.90 = 9,852,968.88 : x
  2. Step 2: Convert to fraction form
    13,530,453.12/18,696,762.90 = 9,852,968.88/x
  3. Step 3: Cross multiply
    13,530,453.12x = 18,696,762.90 × 9,852,968.88
  4. Step 4: Simplify right side
    13,530,453.12x = 184,218,623,010,438.56
  5. Step 5: Solve for x
    x = 184,218,623,010,438.56/13,530,453.12
  6. Step 6: Final answer
    x = 13,615,111.14

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1.5x scale

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.