Home / 13,994,738.40-19,313,112.24-7,882,802.40

Finding the Fourth Proportional to 13,994,738.40, 19,313,112.24 and 7,882,802.40

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Solution

The fourth proportional to 13,994,738.40, 19,313,112.24 and 7,882,802.40 is: 10,878,477.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994,738.40 : 19,313,112.24 = 7,882,802.40 : x
  2. Step 2: Convert to fraction form
    13,994,738.40/19,313,112.24 = 7,882,802.40/x
  3. Step 3: Cross multiply
    13,994,738.40x = 19,313,112.24 × 7,882,802.40
  4. Step 4: Simplify right side
    13,994,738.40x = 152,241,447,516,941.38
  5. Step 5: Solve for x
    x = 152,241,447,516,941.38/13,994,738.40
  6. Step 6: Final answer
    x = 10,878,477.55

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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.