Home / 13,855,994.07-19,120,972.59-7,660,802.67

Finding the Fourth Proportional to 13,855,994.07, 19,120,972.59 and 7,660,802.67

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Solution

The fourth proportional to 13,855,994.07, 19,120,972.59 and 7,660,802.67 is: 10,571,742.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,855,994.07 : 19,120,972.59 = 7,660,802.67 : x
  2. Step 2: Convert to fraction form
    13,855,994.07/19,120,972.59 = 7,660,802.67/x
  3. Step 3: Cross multiply
    13,855,994.07x = 19,120,972.59 × 7,660,802.67
  4. Step 4: Simplify right side
    13,855,994.07x = 146,481,997,870,468.81
  5. Step 5: Solve for x
    x = 146,481,997,870,468.81/13,855,994.07
  6. Step 6: Final answer
    x = 10,571,742.25

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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.