Home / 8,583,521.70-12,875,282.55-3,788,742.90

Finding the Fourth Proportional to 8,583,521.70, 12,875,282.55 and 3,788,742.90

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Solution

The fourth proportional to 8,583,521.70, 12,875,282.55 and 3,788,742.90 is: 5,683,114.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583,521.70 : 12,875,282.55 = 3,788,742.90 : x
  2. Step 2: Convert to fraction form
    8,583,521.70/12,875,282.55 = 3,788,742.90/x
  3. Step 3: Cross multiply
    8,583,521.70x = 12,875,282.55 × 3,788,742.90
  4. Step 4: Simplify right side
    8,583,521.70x = 48,781,135,346,806.40
  5. Step 5: Solve for x
    x = 48,781,135,346,806.40/8,583,521.70
  6. Step 6: Final answer
    x = 5,683,114.35

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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.