Home / 18,930,809.52-26,168,648.40-16,886,090.07

Finding the Fourth Proportional to 18,930,809.52, 26,168,648.40 and 16,886,090.07

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Solution

The fourth proportional to 18,930,809.52, 26,168,648.40 and 16,886,090.07 is: 23,342,168.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,930,809.52 : 26,168,648.40 = 16,886,090.07 : x
  2. Step 2: Convert to fraction form
    18,930,809.52/26,168,648.40 = 16,886,090.07/x
  3. Step 3: Cross multiply
    18,930,809.52x = 26,168,648.40 × 16,886,090.07
  4. Step 4: Simplify right side
    18,930,809.52x = 441,886,153,892,561.38
  5. Step 5: Solve for x
    x = 441,886,153,892,561.38/18,930,809.52
  6. Step 6: Final answer
    x = 23,342,168.94

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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.