Home / 8,455,430.70-12,683,085.30-2,065,624.20

Finding the Fourth Proportional to 8,455,430.70, 12,683,085.30 and 2,065,624.20

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Solution

The fourth proportional to 8,455,430.70, 12,683,085.30 and 2,065,624.20 is: 3,098,421.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455,430.70 : 12,683,085.30 = 2,065,624.20 : x
  2. Step 2: Convert to fraction form
    8,455,430.70/12,683,085.30 = 2,065,624.20/x
  3. Step 3: Cross multiply
    8,455,430.70x = 12,683,085.30 × 2,065,624.20
  4. Step 4: Simplify right side
    8,455,430.70x = 26,198,487,926,344.26
  5. Step 5: Solve for x
    x = 26,198,487,926,344.26/8,455,430.70
  6. Step 6: Final answer
    x = 3,098,421.46

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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.