Home / 12,693,672.32-19,041,120.84-4,173,820.16

Finding the Fourth Proportional to 12,693,672.32, 19,041,120.84 and 4,173,820.16

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Solution

The fourth proportional to 12,693,672.32, 19,041,120.84 and 4,173,820.16 is: 6,260,931.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,693,672.32 : 19,041,120.84 = 4,173,820.16 : x
  2. Step 2: Convert to fraction form
    12,693,672.32/19,041,120.84 = 4,173,820.16/x
  3. Step 3: Cross multiply
    12,693,672.32x = 19,041,120.84 × 4,173,820.16
  4. Step 4: Simplify right side
    12,693,672.32x = 79,474,214,030,988.14
  5. Step 5: Solve for x
    x = 79,474,214,030,988.14/12,693,672.32
  6. Step 6: Final answer
    x = 6,260,931.59

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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.