Home / 13,142,712.40-19,714,068.60-4,621,941.70

Finding the Fourth Proportional to 13,142,712.40, 19,714,068.60 and 4,621,941.70

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Solution

The fourth proportional to 13,142,712.40, 19,714,068.60 and 4,621,941.70 is: 6,932,912.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,142,712.40 : 19,714,068.60 = 4,621,941.70 : x
  2. Step 2: Convert to fraction form
    13,142,712.40/19,714,068.60 = 4,621,941.70/x
  3. Step 3: Cross multiply
    13,142,712.40x = 19,714,068.60 × 4,621,941.70
  4. Step 4: Simplify right side
    13,142,712.40x = 91,117,275,739,000.62
  5. Step 5: Solve for x
    x = 91,117,275,739,000.62/13,142,712.40
  6. Step 6: Final answer
    x = 6,932,912.55

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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.