Home / 20,020,005.20-30,030,007.80-17,894,241.20

Finding the Fourth Proportional to 20,020,005.20, 30,030,007.80 and 17,894,241.20

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Solution

The fourth proportional to 20,020,005.20, 30,030,007.80 and 17,894,241.20 is: 26,841,361.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,020,005.20 : 30,030,007.80 = 17,894,241.20 : x
  2. Step 2: Convert to fraction form
    20,020,005.20/30,030,007.80 = 17,894,241.20/x
  3. Step 3: Cross multiply
    20,020,005.20x = 30,030,007.80 × 17,894,241.20
  4. Step 4: Simplify right side
    20,020,005.20x = 537,364,202,811,081.38
  5. Step 5: Solve for x
    x = 537,364,202,811,081.38/20,020,005.20
  6. Step 6: Final answer
    x = 26,841,361.80

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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.