Home / 11,803,887.80-17,705,831.70-7,772,809.40

Finding the Fourth Proportional to 11,803,887.80, 17,705,831.70 and 7,772,809.40

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Solution

The fourth proportional to 11,803,887.80, 17,705,831.70 and 7,772,809.40 is: 11,659,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,803,887.80 : 17,705,831.70 = 7,772,809.40 : x
  2. Step 2: Convert to fraction form
    11,803,887.80/17,705,831.70 = 7,772,809.40/x
  3. Step 3: Cross multiply
    11,803,887.80x = 17,705,831.70 × 7,772,809.40
  4. Step 4: Simplify right side
    11,803,887.80x = 137,624,055,072,577.98
  5. Step 5: Solve for x
    x = 137,624,055,072,577.98/11,803,887.80
  6. Step 6: Final answer
    x = 11,659,214.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.