Home / 14,325,787.50-21,475,172.88-7,130,519.25

Finding the Fourth Proportional to 14,325,787.50, 21,475,172.88 and 7,130,519.25

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Solution

The fourth proportional to 14,325,787.50, 21,475,172.88 and 7,130,519.25 is: 10,689,055.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,325,787.50 : 21,475,172.88 = 7,130,519.25 : x
  2. Step 2: Convert to fraction form
    14,325,787.50/21,475,172.88 = 7,130,519.25/x
  3. Step 3: Cross multiply
    14,325,787.50x = 21,475,172.88 × 7,130,519.25
  4. Step 4: Simplify right side
    14,325,787.50x = 153,129,133,617,917.94
  5. Step 5: Solve for x
    x = 153,129,133,617,917.94/14,325,787.50
  6. Step 6: Final answer
    x = 10,689,055.22

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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.