Home / 14,012,023.60-21,018,035.40-8,603,135.20

Finding the Fourth Proportional to 14,012,023.60, 21,018,035.40 and 8,603,135.20

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Solution

The fourth proportional to 14,012,023.60, 21,018,035.40 and 8,603,135.20 is: 12,904,702.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012,023.60 : 21,018,035.40 = 8,603,135.20 : x
  2. Step 2: Convert to fraction form
    14,012,023.60/21,018,035.40 = 8,603,135.20/x
  3. Step 3: Cross multiply
    14,012,023.60x = 21,018,035.40 × 8,603,135.20
  4. Step 4: Simplify right side
    14,012,023.60x = 180,821,000,184,586.06
  5. Step 5: Solve for x
    x = 180,821,000,184,586.06/14,012,023.60
  6. Step 6: Final answer
    x = 12,904,702.80

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1.5x scale

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.