Home / 30,858,053.40-46,393,805.70-28,860,010.20

Finding the Fourth Proportional to 30,858,053.40, 46,393,805.70 and 28,860,010.20

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Solution

The fourth proportional to 30,858,053.40, 46,393,805.70 and 28,860,010.20 is: 43,389,830.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,858,053.40 : 46,393,805.70 = 28,860,010.20 : x
  2. Step 2: Convert to fraction form
    30,858,053.40/46,393,805.70 = 28,860,010.20/x
  3. Step 3: Cross multiply
    30,858,053.40x = 46,393,805.70 × 28,860,010.20
  4. Step 4: Simplify right side
    30,858,053.40x = 1,338,925,705,718,818.25
  5. Step 5: Solve for x
    x = 1,338,925,705,718,818.25/30,858,053.40
  6. Step 6: Final answer
    x = 43,389,830.47

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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.