Home / 18,621,442.07-25,697,590.06-10,362,036.40

Finding the Fourth Proportional to 18,621,442.07, 25,697,590.06 and 10,362,036.40

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Solution

The fourth proportional to 18,621,442.07, 25,697,590.06 and 10,362,036.40 is: 14,299,610.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621,442.07 : 25,697,590.06 = 10,362,036.40 : x
  2. Step 2: Convert to fraction form
    18,621,442.07/25,697,590.06 = 10,362,036.40/x
  3. Step 3: Cross multiply
    18,621,442.07x = 25,697,590.06 × 10,362,036.40
  4. Step 4: Simplify right side
    18,621,442.07x = 266,279,363,593,998.19
  5. Step 5: Solve for x
    x = 266,279,363,593,998.19/18,621,442.07
  6. Step 6: Final answer
    x = 14,299,610.23

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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.