Home / 28,348,455.68-42,528,884.88-9,181,150.32

Finding the Fourth Proportional to 28,348,455.68, 42,528,884.88 and 9,181,150.32

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Solution

The fourth proportional to 28,348,455.68, 42,528,884.88 and 9,181,150.32 is: 13,773,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,348,455.68 : 42,528,884.88 = 9,181,150.32 : x
  2. Step 2: Convert to fraction form
    28,348,455.68/42,528,884.88 = 9,181,150.32/x
  3. Step 3: Cross multiply
    28,348,455.68x = 42,528,884.88 × 9,181,150.32
  4. Step 4: Simplify right side
    28,348,455.68x = 390,464,085,025,255.19
  5. Step 5: Solve for x
    x = 390,464,085,025,255.19/28,348,455.68
  6. Step 6: Final answer
    x = 13,773,733.90

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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.