Home / 13,509,122,107.28-20,235,176,112.09-10,838,720,443.10

Finding the Fourth Proportional to 13,509,122,107.28, 20,235,176,112.09 and 10,838,720,443.10

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Solution

The fourth proportional to 13,509,122,107.28, 20,235,176,112.09 and 10,838,720,443.10 is: 16,235,208,717.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,509,122,107.28 : 20,235,176,112.09 = 10,838,720,443.10 : x
  2. Step 2: Convert to fraction form
    13,509,122,107.28/20,235,176,112.09 = 10,838,720,443.10/x
  3. Step 3: Cross multiply
    13,509,122,107.28x = 20,235,176,112.09 × 10,838,720,443.10
  4. Step 4: Simplify right side
    13,509,122,107.28x = 219,323,416,995,838,656,512
  5. Step 5: Solve for x
    x = 219,323,416,995,838,656,512/13,509,122,107.28
  6. Step 6: Final answer
    x = 16,235,208,717.05

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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.