Home / 23,019,629.76-31,766,911.84-12,706,347.20

Finding the Fourth Proportional to 23,019,629.76, 31,766,911.84 and 12,706,347.20

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Solution

The fourth proportional to 23,019,629.76, 31,766,911.84 and 12,706,347.20 is: 17,534,661.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,019,629.76 : 31,766,911.84 = 12,706,347.20 : x
  2. Step 2: Convert to fraction form
    23,019,629.76/31,766,911.84 = 12,706,347.20/x
  3. Step 3: Cross multiply
    23,019,629.76x = 31,766,911.84 × 12,706,347.20
  4. Step 4: Simplify right side
    23,019,629.76x = 403,641,411,310,830.81
  5. Step 5: Solve for x
    x = 403,641,411,310,830.81/23,019,629.76
  6. Step 6: Final answer
    x = 17,534,661.31

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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.