Home / 8,728,742.39-12,046,038.22-4,861,263.53

Finding the Fourth Proportional to 8,728,742.39, 12,046,038.22 and 4,861,263.53

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Solution

The fourth proportional to 8,728,742.39, 12,046,038.22 and 4,861,263.53 is: 6,708,751.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728,742.39 : 12,046,038.22 = 4,861,263.53 : x
  2. Step 2: Convert to fraction form
    8,728,742.39/12,046,038.22 = 4,861,263.53/x
  3. Step 3: Cross multiply
    8,728,742.39x = 12,046,038.22 × 4,861,263.53
  4. Step 4: Simplify right side
    8,728,742.39x = 58,558,966,316,063.79
  5. Step 5: Solve for x
    x = 58,558,966,316,063.79/8,728,742.39
  6. Step 6: Final answer
    x = 6,708,751.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.