Home / 28,401,838.60-42,608,978.70-14,031,790.60

Finding the Fourth Proportional to 28,401,838.60, 42,608,978.70 and 14,031,790.60

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Solution

The fourth proportional to 28,401,838.60, 42,608,978.70 and 14,031,790.60 is: 21,050,759.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,401,838.60 : 42,608,978.70 = 14,031,790.60 : x
  2. Step 2: Convert to fraction form
    28,401,838.60/42,608,978.70 = 14,031,790.60/x
  3. Step 3: Cross multiply
    28,401,838.60x = 42,608,978.70 × 14,031,790.60
  4. Step 4: Simplify right side
    28,401,838.60x = 597,880,266,798,260.25
  5. Step 5: Solve for x
    x = 597,880,266,798,260.25/28,401,838.60
  6. Step 6: Final answer
    x = 21,050,759.26

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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.