Home / 12,355,295.34-18,516,802.41-6,890,172.06

Finding the Fourth Proportional to 12,355,295.34, 18,516,802.41 and 6,890,172.06

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Solution

The fourth proportional to 12,355,295.34, 18,516,802.41 and 6,890,172.06 is: 10,326,256.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355,295.34 : 18,516,802.41 = 6,890,172.06 : x
  2. Step 2: Convert to fraction form
    12,355,295.34/18,516,802.41 = 6,890,172.06/x
  3. Step 3: Cross multiply
    12,355,295.34x = 18,516,802.41 × 6,890,172.06
  4. Step 4: Simplify right side
    12,355,295.34x = 127,583,954,605,922.66
  5. Step 5: Solve for x
    x = 127,583,954,605,922.66/12,355,295.34
  6. Step 6: Final answer
    x = 10,326,256.97

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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.