Home / 13,971,959.87-19,281,305.61-7,776,873.32

Finding the Fourth Proportional to 13,971,959.87, 19,281,305.61 and 7,776,873.32

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Solution

The fourth proportional to 13,971,959.87, 19,281,305.61 and 7,776,873.32 is: 10,732,085.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971,959.87 : 19,281,305.61 = 7,776,873.32 : x
  2. Step 2: Convert to fraction form
    13,971,959.87/19,281,305.61 = 7,776,873.32/x
  3. Step 3: Cross multiply
    13,971,959.87x = 19,281,305.61 × 7,776,873.32
  4. Step 4: Simplify right side
    13,971,959.87x = 149,948,271,076,768.81
  5. Step 5: Solve for x
    x = 149,948,271,076,768.81/13,971,959.87
  6. Step 6: Final answer
    x = 10,732,085.73

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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.