Home / 14,276,871.90-21,371,567.85-7,867,503.90

Finding the Fourth Proportional to 14,276,871.90, 21,371,567.85 and 7,867,503.90

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Solution

The fourth proportional to 14,276,871.90, 21,371,567.85 and 7,867,503.90 is: 11,777,152.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276,871.90 : 21,371,567.85 = 7,867,503.90 : x
  2. Step 2: Convert to fraction form
    14,276,871.90/21,371,567.85 = 7,867,503.90/x
  3. Step 3: Cross multiply
    14,276,871.90x = 21,371,567.85 × 7,867,503.90
  4. Step 4: Simplify right side
    14,276,871.90x = 168,140,893,408,989.62
  5. Step 5: Solve for x
    x = 168,140,893,408,989.62/14,276,871.90
  6. Step 6: Final answer
    x = 11,777,152.21

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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.