Home / 13,869,712.90-20,804,569.35-8,494,941.70

Finding the Fourth Proportional to 13,869,712.90, 20,804,569.35 and 8,494,941.70

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Solution

The fourth proportional to 13,869,712.90, 20,804,569.35 and 8,494,941.70 is: 12,742,412.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,869,712.90 : 20,804,569.35 = 8,494,941.70 : x
  2. Step 2: Convert to fraction form
    13,869,712.90/20,804,569.35 = 8,494,941.70/x
  3. Step 3: Cross multiply
    13,869,712.90x = 20,804,569.35 × 8,494,941.70
  4. Step 4: Simplify right side
    13,869,712.90x = 176,733,603,721,856.91
  5. Step 5: Solve for x
    x = 176,733,603,721,856.91/13,869,712.90
  6. Step 6: Final answer
    x = 12,742,412.55

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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.