Home / 20,526,597,204.32-28,326,704,133.84-11,139,223,380.32

Finding the Fourth Proportional to 20,526,597,204.32, 28,326,704,133.84 and 11,139,223,380.32

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Solution

The fourth proportional to 20,526,597,204.32, 28,326,704,133.84 and 11,139,223,380.32 is: 15,372,128,260.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526,597,204.32 : 28,326,704,133.84 = 11,139,223,380.32 : x
  2. Step 2: Convert to fraction form
    20,526,597,204.32/28,326,704,133.84 = 11,139,223,380.32/x
  3. Step 3: Cross multiply
    20,526,597,204.32x = 28,326,704,133.84 × 11,139,223,380.32
  4. Step 4: Simplify right side
    20,526,597,204.32x = 315,537,484,975,077,720,064
  5. Step 5: Solve for x
    x = 315,537,484,975,077,720,064/20,526,597,204.32
  6. Step 6: Final answer
    x = 15,372,128,260.43

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1.5x scale

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.