Home / 13,708,237.12-18,925,968.66-8,821,951

Finding the Fourth Proportional to 13,708,237.12, 18,925,968.66 and 8,821,951

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Solution

The fourth proportional to 13,708,237.12, 18,925,968.66 and 8,821,951 is: 12,179,827.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708,237.12 : 18,925,968.66 = 8,821,951 : x
  2. Step 2: Convert to fraction form
    13,708,237.12/18,925,968.66 = 8,821,951/x
  3. Step 3: Cross multiply
    13,708,237.12x = 18,925,968.66 × 8,821,951
  4. Step 4: Simplify right side
    13,708,237.12x = 166,963,968,146,055.66
  5. Step 5: Solve for x
    x = 166,963,968,146,055.66/13,708,237.12
  6. Step 6: Final answer
    x = 12,179,827.84

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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.