Home / 12,224,913.57-18,337,979.48-4,652,466.21

Finding the Fourth Proportional to 12,224,913.57, 18,337,979.48 and 4,652,466.21

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Solution

The fourth proportional to 12,224,913.57, 18,337,979.48 and 4,652,466.21 is: 6,978,931.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224,913.57 : 18,337,979.48 = 4,652,466.21 : x
  2. Step 2: Convert to fraction form
    12,224,913.57/18,337,979.48 = 4,652,466.21/x
  3. Step 3: Cross multiply
    12,224,913.57x = 18,337,979.48 × 4,652,466.21
  4. Step 4: Simplify right side
    12,224,913.57x = 85,316,829,867,111.05
  5. Step 5: Solve for x
    x = 85,316,829,867,111.05/12,224,913.57
  6. Step 6: Final answer
    x = 6,978,931.13

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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.