Home / 17,386,989.10-26,089,814.85-7,290,630.70

Finding the Fourth Proportional to 17,386,989.10, 26,089,814.85 and 7,290,630.70

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Solution

The fourth proportional to 17,386,989.10, 26,089,814.85 and 7,290,630.70 is: 10,939,858.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,386,989.10 : 26,089,814.85 = 7,290,630.70 : x
  2. Step 2: Convert to fraction form
    17,386,989.10/26,089,814.85 = 7,290,630.70/x
  3. Step 3: Cross multiply
    17,386,989.10x = 26,089,814.85 × 7,290,630.70
  4. Step 4: Simplify right side
    17,386,989.10x = 190,211,205,102,725.91
  5. Step 5: Solve for x
    x = 190,211,205,102,725.91/17,386,989.10
  6. Step 6: Final answer
    x = 10,939,858.77

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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.