Home / 13,745,475.04-18,968,799.72-7,633,903.36

Finding the Fourth Proportional to 13,745,475.04, 18,968,799.72 and 7,633,903.36

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Solution

The fourth proportional to 13,745,475.04, 18,968,799.72 and 7,633,903.36 is: 10,534,811.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745,475.04 : 18,968,799.72 = 7,633,903.36 : x
  2. Step 2: Convert to fraction form
    13,745,475.04/18,968,799.72 = 7,633,903.36/x
  3. Step 3: Cross multiply
    13,745,475.04x = 18,968,799.72 × 7,633,903.36
  4. Step 4: Simplify right side
    13,745,475.04x = 144,805,983,917,675.06
  5. Step 5: Solve for x
    x = 144,805,983,917,675.06/13,745,475.04
  6. Step 6: Final answer
    x = 10,534,811.16

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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.