Home / 19,410,688.20-29,097,369.90-15,090,342.60

Finding the Fourth Proportional to 19,410,688.20, 29,097,369.90 and 15,090,342.60

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Solution

The fourth proportional to 19,410,688.20, 29,097,369.90 and 15,090,342.60 is: 22,621,005.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,410,688.20 : 29,097,369.90 = 15,090,342.60 : x
  2. Step 2: Convert to fraction form
    19,410,688.20/29,097,369.90 = 15,090,342.60/x
  3. Step 3: Cross multiply
    19,410,688.20x = 29,097,369.90 × 15,090,342.60
  4. Step 4: Simplify right side
    19,410,688.20x = 439,089,280,549,927.69
  5. Step 5: Solve for x
    x = 439,089,280,549,927.69/19,410,688.20
  6. Step 6: Final answer
    x = 22,621,005.29

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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.