Home / 21,081,950.60-31,552,941.90-15,308,270.60

Finding the Fourth Proportional to 21,081,950.60, 31,552,941.90 and 15,308,270.60

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Solution

The fourth proportional to 21,081,950.60, 31,552,941.90 and 15,308,270.60 is: 22,911,588.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,081,950.60 : 31,552,941.90 = 15,308,270.60 : x
  2. Step 2: Convert to fraction form
    21,081,950.60/31,552,941.90 = 15,308,270.60/x
  3. Step 3: Cross multiply
    21,081,950.60x = 31,552,941.90 × 15,308,270.60
  4. Step 4: Simplify right side
    21,081,950.60x = 483,020,972,831,278.12
  5. Step 5: Solve for x
    x = 483,020,972,831,278.12/21,081,950.60
  6. Step 6: Final answer
    x = 22,911,588.31

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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.