Home / 8,639,144.29-12,953,702.96-4,090,154.67

Finding the Fourth Proportional to 8,639,144.29, 12,953,702.96 and 4,090,154.67

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Solution

The fourth proportional to 8,639,144.29, 12,953,702.96 and 4,090,154.67 is: 6,132,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,639,144.29 : 12,953,702.96 = 4,090,154.67 : x
  2. Step 2: Convert to fraction form
    8,639,144.29/12,953,702.96 = 4,090,154.67/x
  3. Step 3: Cross multiply
    8,639,144.29x = 12,953,702.96 × 4,090,154.67
  4. Step 4: Simplify right side
    8,639,144.29x = 52,982,648,655,636.83
  5. Step 5: Solve for x
    x = 52,982,648,655,636.83/8,639,144.29
  6. Step 6: Final answer
    x = 6,132,858.40

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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.