Home / 28,465,960.86-42,698,558.57-6,900,748.47

Finding the Fourth Proportional to 28,465,960.86, 42,698,558.57 and 6,900,748.47

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Solution

The fourth proportional to 28,465,960.86, 42,698,558.57 and 6,900,748.47 is: 10,351,029.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,465,960.86 : 42,698,558.57 = 6,900,748.47 : x
  2. Step 2: Convert to fraction form
    28,465,960.86/42,698,558.57 = 6,900,748.47/x
  3. Step 3: Cross multiply
    28,465,960.86x = 42,698,558.57 × 6,900,748.47
  4. Step 4: Simplify right side
    28,465,960.86x = 294,652,012,688,629.12
  5. Step 5: Solve for x
    x = 294,652,012,688,629.12/28,465,960.86
  6. Step 6: Final answer
    x = 10,351,029.92

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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.