Home / 12,113,598.42-18,168,240.19-4,826,447.45

Finding the Fourth Proportional to 12,113,598.42, 18,168,240.19 and 4,826,447.45

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Solution

The fourth proportional to 12,113,598.42, 18,168,240.19 and 4,826,447.45 is: 7,238,811.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113,598.42 : 18,168,240.19 = 4,826,447.45 : x
  2. Step 2: Convert to fraction form
    12,113,598.42/18,168,240.19 = 4,826,447.45/x
  3. Step 3: Cross multiply
    12,113,598.42x = 18,168,240.19 × 4,826,447.45
  4. Step 4: Simplify right side
    12,113,598.42x = 87,688,056,421,039.58
  5. Step 5: Solve for x
    x = 87,688,056,421,039.58/12,113,598.42
  6. Step 6: Final answer
    x = 7,238,811.57

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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.