Home / 21,221,297.70-31,831,946.55-14,764,289.55

Finding the Fourth Proportional to 21,221,297.70, 31,831,946.55 and 14,764,289.55

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Solution

The fourth proportional to 21,221,297.70, 31,831,946.55 and 14,764,289.55 is: 22,146,434.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,221,297.70 : 31,831,946.55 = 14,764,289.55 : x
  2. Step 2: Convert to fraction form
    21,221,297.70/31,831,946.55 = 14,764,289.55/x
  3. Step 3: Cross multiply
    21,221,297.70x = 31,831,946.55 × 14,764,289.55
  4. Step 4: Simplify right side
    21,221,297.70x = 469,976,075,804,323.56
  5. Step 5: Solve for x
    x = 469,976,075,804,323.56/21,221,297.70
  6. Step 6: Final answer
    x = 22,146,434.33

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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.