Home / 13,047,504.98-18,005,598.54-7,246,286.42

Finding the Fourth Proportional to 13,047,504.98, 18,005,598.54 and 7,246,286.42

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Solution

The fourth proportional to 13,047,504.98, 18,005,598.54 and 7,246,286.42 is: 9,999,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047,504.98 : 18,005,598.54 = 7,246,286.42 : x
  2. Step 2: Convert to fraction form
    13,047,504.98/18,005,598.54 = 7,246,286.42/x
  3. Step 3: Cross multiply
    13,047,504.98x = 18,005,598.54 × 7,246,286.42
  4. Step 4: Simplify right side
    13,047,504.98x = 130,473,724,094,345.83
  5. Step 5: Solve for x
    x = 130,473,724,094,345.83/13,047,504.98
  6. Step 6: Final answer
    x = 9,999,898.40

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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.