Home / 25,908,460.60-38,837,807.70-20,147,999.80

Finding the Fourth Proportional to 25,908,460.60, 38,837,807.70 and 20,147,999.80

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Solution

The fourth proportional to 25,908,460.60, 38,837,807.70 and 20,147,999.80 is: 30,202,649.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,908,460.60 : 38,837,807.70 = 20,147,999.80 : x
  2. Step 2: Convert to fraction form
    25,908,460.60/38,837,807.70 = 20,147,999.80/x
  3. Step 3: Cross multiply
    25,908,460.60x = 38,837,807.70 × 20,147,999.80
  4. Step 4: Simplify right side
    25,908,460.60x = 782,504,141,772,038.50
  5. Step 5: Solve for x
    x = 782,504,141,772,038.50/25,908,460.60
  6. Step 6: Final answer
    x = 30,202,649.01

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1.5x scale

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.