Home / 19,048,009.12-26,286,465.60-11,209,254.37

Finding the Fourth Proportional to 19,048,009.12, 26,286,465.60 and 11,209,254.37

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Solution

The fourth proportional to 19,048,009.12, 26,286,465.60 and 11,209,254.37 is: 15,468,896.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,048,009.12 : 26,286,465.60 = 11,209,254.37 : x
  2. Step 2: Convert to fraction form
    19,048,009.12/26,286,465.60 = 11,209,254.37/x
  3. Step 3: Cross multiply
    19,048,009.12x = 26,286,465.60 × 11,209,254.37
  4. Step 4: Simplify right side
    19,048,009.12x = 294,651,679,267,222.38
  5. Step 5: Solve for x
    x = 294,651,679,267,222.38/19,048,009.12
  6. Step 6: Final answer
    x = 15,468,896.38

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1.5x scale

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.