Home / 10,032,021.80-15,048,032.70-7,477,346.60

Finding the Fourth Proportional to 10,032,021.80, 15,048,032.70 and 7,477,346.60

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Solution

The fourth proportional to 10,032,021.80, 15,048,032.70 and 7,477,346.60 is: 11,216,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,032,021.80 : 15,048,032.70 = 7,477,346.60 : x
  2. Step 2: Convert to fraction form
    10,032,021.80/15,048,032.70 = 7,477,346.60/x
  3. Step 3: Cross multiply
    10,032,021.80x = 15,048,032.70 × 7,477,346.60
  4. Step 4: Simplify right side
    10,032,021.80x = 112,519,356,146,033.81
  5. Step 5: Solve for x
    x = 112,519,356,146,033.81/10,032,021.80
  6. Step 6: Final answer
    x = 11,216,019.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.