Home / 19,089,140.45-28,638,193.41-6,309,643.68

Finding the Fourth Proportional to 19,089,140.45, 28,638,193.41 and 6,309,643.68

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Solution

The fourth proportional to 19,089,140.45, 28,638,193.41 and 6,309,643.68 is: 9,465,947.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089,140.45 : 28,638,193.41 = 6,309,643.68 : x
  2. Step 2: Convert to fraction form
    19,089,140.45/28,638,193.41 = 6,309,643.68/x
  3. Step 3: Cross multiply
    19,089,140.45x = 28,638,193.41 × 6,309,643.68
  4. Step 4: Simplify right side
    19,089,140.45x = 180,696,796,056,024.16
  5. Step 5: Solve for x
    x = 180,696,796,056,024.16/19,089,140.45
  6. Step 6: Final answer
    x = 9,465,947.23

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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.