Home / 12,985,551.60-19,478,327.40-3,401,898.90

Finding the Fourth Proportional to 12,985,551.60, 19,478,327.40 and 3,401,898.90

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Solution

The fourth proportional to 12,985,551.60, 19,478,327.40 and 3,401,898.90 is: 5,102,848.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,985,551.60 : 19,478,327.40 = 3,401,898.90 : x
  2. Step 2: Convert to fraction form
    12,985,551.60/19,478,327.40 = 3,401,898.90/x
  3. Step 3: Cross multiply
    12,985,551.60x = 19,478,327.40 × 3,401,898.90
  4. Step 4: Simplify right side
    12,985,551.60x = 66,263,300,555,899.85
  5. Step 5: Solve for x
    x = 66,263,300,555,899.85/12,985,551.60
  6. Step 6: Final answer
    x = 5,102,848.35

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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.