Home / 13,518,190.21-18,679,848.14-9,840,722.29

Finding the Fourth Proportional to 13,518,190.21, 18,679,848.14 and 9,840,722.29

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Solution

The fourth proportional to 13,518,190.21, 18,679,848.14 and 9,840,722.29 is: 13,598,210.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,518,190.21 : 18,679,848.14 = 9,840,722.29 : x
  2. Step 2: Convert to fraction form
    13,518,190.21/18,679,848.14 = 9,840,722.29/x
  3. Step 3: Cross multiply
    13,518,190.21x = 18,679,848.14 × 9,840,722.29
  4. Step 4: Simplify right side
    13,518,190.21x = 183,823,197,965,113.03
  5. Step 5: Solve for x
    x = 183,823,197,965,113.03/13,518,190.21
  6. Step 6: Final answer
    x = 13,598,210.64

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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.