Home / 28,200,963.94-42,301,591.88-12,837,509.34

Finding the Fourth Proportional to 28,200,963.94, 42,301,591.88 and 12,837,509.34

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Solution

The fourth proportional to 28,200,963.94, 42,301,591.88 and 12,837,509.34 is: 19,256,330.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,200,963.94 : 42,301,591.88 = 12,837,509.34 : x
  2. Step 2: Convert to fraction form
    28,200,963.94/42,301,591.88 = 12,837,509.34/x
  3. Step 3: Cross multiply
    28,200,963.94x = 42,301,591.88 × 12,837,509.34
  4. Step 4: Simplify right side
    28,200,963.94x = 543,047,080,856,368.19
  5. Step 5: Solve for x
    x = 543,047,080,856,368.19/28,200,963.94
  6. Step 6: Final answer
    x = 19,256,330.46

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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.