Home / 35,054,764.47-48,377,413.82-21,120,492.02

Finding the Fourth Proportional to 35,054,764.47, 48,377,413.82 and 21,120,492.02

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Solution

The fourth proportional to 35,054,764.47, 48,377,413.82 and 21,120,492.02 is: 29,147,386.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,054,764.47 : 48,377,413.82 = 21,120,492.02 : x
  2. Step 2: Convert to fraction form
    35,054,764.47/48,377,413.82 = 21,120,492.02/x
  3. Step 3: Cross multiply
    35,054,764.47x = 48,377,413.82 × 21,120,492.02
  4. Step 4: Simplify right side
    35,054,764.47x = 1,021,754,782,344,461.88
  5. Step 5: Solve for x
    x = 1,021,754,782,344,461.88/35,054,764.47
  6. Step 6: Final answer
    x = 29,147,386.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.