Home / 21,345,506.54-31,966,641-12,219,926.42

Finding the Fourth Proportional to 21,345,506.54, 31,966,641 and 12,219,926.42

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Solution

The fourth proportional to 21,345,506.54, 31,966,641 and 12,219,926.42 is: 18,300,338.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,345,506.54 : 31,966,641 = 12,219,926.42 : x
  2. Step 2: Convert to fraction form
    21,345,506.54/31,966,641 = 12,219,926.42/x
  3. Step 3: Cross multiply
    21,345,506.54x = 31,966,641 × 12,219,926.42
  4. Step 4: Simplify right side
    21,345,506.54x = 390,630,000,914,555.19
  5. Step 5: Solve for x
    x = 390,630,000,914,555.19/21,345,506.54
  6. Step 6: Final answer
    x = 18,300,338.77

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