Home / 13,562,303-18,715,985.70-7,451,125.16

Finding the Fourth Proportional to 13,562,303, 18,715,985.70 and 7,451,125.16

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Solution

The fourth proportional to 13,562,303, 18,715,985.70 and 7,451,125.16 is: 10,282,556.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,562,303 : 18,715,985.70 = 7,451,125.16 : x
  2. Step 2: Convert to fraction form
    13,562,303/18,715,985.70 = 7,451,125.16/x
  3. Step 3: Cross multiply
    13,562,303x = 18,715,985.70 × 7,451,125.16
  4. Step 4: Simplify right side
    13,562,303x = 139,455,151,943,470.20
  5. Step 5: Solve for x
    x = 139,455,151,943,470.20/13,562,303
  6. Step 6: Final answer
    x = 10,282,556.87

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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.