Home / 37,427,720.40-56,141,580.60-20,421,608.40

Finding the Fourth Proportional to 37,427,720.40, 56,141,580.60 and 20,421,608.40

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Solution

The fourth proportional to 37,427,720.40, 56,141,580.60 and 20,421,608.40 is: 30,632,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,427,720.40 : 56,141,580.60 = 20,421,608.40 : x
  2. Step 2: Convert to fraction form
    37,427,720.40/56,141,580.60 = 20,421,608.40/x
  3. Step 3: Cross multiply
    37,427,720.40x = 56,141,580.60 × 20,421,608.40
  4. Step 4: Simplify right side
    37,427,720.40x = 1,146,501,373,970,237
  5. Step 5: Solve for x
    x = 1,146,501,373,970,237/37,427,720.40
  6. Step 6: Final answer
    x = 30,632,412.60

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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.