Home / 12,890,522.22-17,788,565.66-7,089,306.06

Finding the Fourth Proportional to 12,890,522.22, 17,788,565.66 and 7,089,306.06

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Solution

The fourth proportional to 12,890,522.22, 17,788,565.66 and 7,089,306.06 is: 9,783,047.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,890,522.22 : 17,788,565.66 = 7,089,306.06 : x
  2. Step 2: Convert to fraction form
    12,890,522.22/17,788,565.66 = 7,089,306.06/x
  3. Step 3: Cross multiply
    12,890,522.22x = 17,788,565.66 × 7,089,306.06
  4. Step 4: Simplify right side
    12,890,522.22x = 126,108,586,363,406.50
  5. Step 5: Solve for x
    x = 126,108,586,363,406.50/12,890,522.22
  6. Step 6: Final answer
    x = 9,783,047.13

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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.