Home / 28,348,474.67-42,528,913.56-9,181,169.27

Finding the Fourth Proportional to 28,348,474.67, 42,528,913.56 and 9,181,169.27

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Solution

The fourth proportional to 28,348,474.67, 42,528,913.56 and 9,181,169.27 is: 13,773,762.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,348,474.67 : 42,528,913.56 = 9,181,169.27 : x
  2. Step 2: Convert to fraction form
    28,348,474.67/42,528,913.56 = 9,181,169.27/x
  3. Step 3: Cross multiply
    28,348,474.67x = 42,528,913.56 × 9,181,169.27
  4. Step 4: Simplify right side
    28,348,474.67x = 390,465,154,050,913.75
  5. Step 5: Solve for x
    x = 390,465,154,050,913.75/28,348,474.67
  6. Step 6: Final answer
    x = 13,773,762.39

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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.