Home / 20,409,662.40-30,660,112.80-17,050,430.40

Finding the Fourth Proportional to 20,409,662.40, 30,660,112.80 and 17,050,430.40

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Solution

The fourth proportional to 20,409,662.40, 30,660,112.80 and 17,050,430.40 is: 25,613,756.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,409,662.40 : 30,660,112.80 = 17,050,430.40 : x
  2. Step 2: Convert to fraction form
    20,409,662.40/30,660,112.80 = 17,050,430.40/x
  3. Step 3: Cross multiply
    20,409,662.40x = 30,660,112.80 × 17,050,430.40
  4. Step 4: Simplify right side
    20,409,662.40x = 522,768,119,352,549.06
  5. Step 5: Solve for x
    x = 522,768,119,352,549.06/20,409,662.40
  6. Step 6: Final answer
    x = 25,613,756.32

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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.