Home / 38,089,918.64-52,564,396.57-20,686,388.45

Finding the Fourth Proportional to 38,089,918.64, 52,564,396.57 and 20,686,388.45

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Solution

The fourth proportional to 38,089,918.64, 52,564,396.57 and 20,686,388.45 is: 28,547,383.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,089,918.64 : 52,564,396.57 = 20,686,388.45 : x
  2. Step 2: Convert to fraction form
    38,089,918.64/52,564,396.57 = 20,686,388.45/x
  3. Step 3: Cross multiply
    38,089,918.64x = 52,564,396.57 × 20,686,388.45
  4. Step 4: Simplify right side
    38,089,918.64x = 1,087,367,525,772,329.75
  5. Step 5: Solve for x
    x = 1,087,367,525,772,329.75/38,089,918.64
  6. Step 6: Final answer
    x = 28,547,383.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.