Home / 20,703,429.93-28,571,607.60-11,536,070.25

Finding the Fourth Proportional to 20,703,429.93, 28,571,607.60 and 11,536,070.25

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Solution

The fourth proportional to 20,703,429.93, 28,571,607.60 and 11,536,070.25 is: 15,920,264.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,703,429.93 : 28,571,607.60 = 11,536,070.25 : x
  2. Step 2: Convert to fraction form
    20,703,429.93/28,571,607.60 = 11,536,070.25/x
  3. Step 3: Cross multiply
    20,703,429.93x = 28,571,607.60 × 11,536,070.25
  4. Step 4: Simplify right side
    20,703,429.93x = 329,604,072,429,033.94
  5. Step 5: Solve for x
    x = 329,604,072,429,033.94/20,703,429.93
  6. Step 6: Final answer
    x = 15,920,264.11

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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.