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Finding the Fourth Proportional to 18,748,700.04, 25,873,409.70 and 11,014,068.36

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Solution

The fourth proportional to 18,748,700.04, 25,873,409.70 and 11,014,068.36 is: 15,199,533.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,748,700.04 : 25,873,409.70 = 11,014,068.36 : x
  2. Step 2: Convert to fraction form
    18,748,700.04/25,873,409.70 = 11,014,068.36/x
  3. Step 3: Cross multiply
    18,748,700.04x = 25,873,409.70 × 11,014,068.36
  4. Step 4: Simplify right side
    18,748,700.04x = 284,971,503,142,087.06
  5. Step 5: Solve for x
    x = 284,971,503,142,087.06/18,748,700.04
  6. Step 6: Final answer
    x = 15,199,533.97

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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.