Home / 14,357,920.80-19,813,992.75-7,831,690.32

Finding the Fourth Proportional to 14,357,920.80, 19,813,992.75 and 7,831,690.32

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Solution

The fourth proportional to 14,357,920.80, 19,813,992.75 and 7,831,690.32 is: 10,807,766.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,357,920.80 : 19,813,992.75 = 7,831,690.32 : x
  2. Step 2: Convert to fraction form
    14,357,920.80/19,813,992.75 = 7,831,690.32/x
  3. Step 3: Cross multiply
    14,357,920.80x = 19,813,992.75 × 7,831,690.32
  4. Step 4: Simplify right side
    14,357,920.80x = 155,177,055,220,725.19
  5. Step 5: Solve for x
    x = 155,177,055,220,725.19/14,357,920.80
  6. Step 6: Final answer
    x = 10,807,766.49

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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.