Home / 7,772,964.70-11,660,941.48-2,980,280.17

Finding the Fourth Proportional to 7,772,964.70, 11,660,941.48 and 2,980,280.17

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Solution

The fourth proportional to 7,772,964.70, 11,660,941.48 and 2,980,280.17 is: 4,470,993.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772,964.70 : 11,660,941.48 = 2,980,280.17 : x
  2. Step 2: Convert to fraction form
    7,772,964.70/11,660,941.48 = 2,980,280.17/x
  3. Step 3: Cross multiply
    7,772,964.70x = 11,660,941.48 × 2,980,280.17
  4. Step 4: Simplify right side
    7,772,964.70x = 34,752,872,656,374.45
  5. Step 5: Solve for x
    x = 34,752,872,656,374.45/7,772,964.70
  6. Step 6: Final answer
    x = 4,470,993.25

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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.