Home / 30,939,423.72-46,182,028.59-28,659,345

Finding the Fourth Proportional to 30,939,423.72, 46,182,028.59 and 28,659,345

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Solution

The fourth proportional to 30,939,423.72, 46,182,028.59 and 28,659,345 is: 42,778,647.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,939,423.72 : 46,182,028.59 = 28,659,345 : x
  2. Step 2: Convert to fraction form
    30,939,423.72/46,182,028.59 = 28,659,345/x
  3. Step 3: Cross multiply
    30,939,423.72x = 46,182,028.59 × 28,659,345
  4. Step 4: Simplify right side
    30,939,423.72x = 1,323,546,690,160,673.75
  5. Step 5: Solve for x
    x = 1,323,546,690,160,673.75/30,939,423.72
  6. Step 6: Final answer
    x = 42,778,647.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.