Home / 20,698,052.10-31,047,078.15-7,066,590.45

Finding the Fourth Proportional to 20,698,052.10, 31,047,078.15 and 7,066,590.45

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Solution

The fourth proportional to 20,698,052.10, 31,047,078.15 and 7,066,590.45 is: 10,599,885.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,698,052.10 : 31,047,078.15 = 7,066,590.45 : x
  2. Step 2: Convert to fraction form
    20,698,052.10/31,047,078.15 = 7,066,590.45/x
  3. Step 3: Cross multiply
    20,698,052.10x = 31,047,078.15 × 7,066,590.45
  4. Step 4: Simplify right side
    20,698,052.10x = 219,396,985,955,193.66
  5. Step 5: Solve for x
    x = 219,396,985,955,193.66/20,698,052.10
  6. Step 6: Final answer
    x = 10,599,885.68

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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.