Home / 28,348,473.42-42,528,911.69-9,181,168.02

Finding the Fourth Proportional to 28,348,473.42, 42,528,911.69 and 9,181,168.02

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Solution

The fourth proportional to 28,348,473.42, 42,528,911.69 and 9,181,168.02 is: 13,773,760.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,348,473.42 : 42,528,911.69 = 9,181,168.02 : x
  2. Step 2: Convert to fraction form
    28,348,473.42/42,528,911.69 = 9,181,168.02/x
  3. Step 3: Cross multiply
    28,348,473.42x = 42,528,911.69 × 9,181,168.02
  4. Step 4: Simplify right side
    28,348,473.42x = 390,465,083,933,632.12
  5. Step 5: Solve for x
    x = 390,465,083,933,632.12/28,348,473.42
  6. Step 6: Final answer
    x = 13,773,760.52

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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.