Home / 8,745,528.72-12,072,699.60-5,649,561.63

Finding the Fourth Proportional to 8,745,528.72, 12,072,699.60 and 5,649,561.63

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Solution

The fourth proportional to 8,745,528.72, 12,072,699.60 and 5,649,561.63 is: 7,798,895.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745,528.72 : 12,072,699.60 = 5,649,561.63 : x
  2. Step 2: Convert to fraction form
    8,745,528.72/12,072,699.60 = 5,649,561.63/x
  3. Step 3: Cross multiply
    8,745,528.72x = 12,072,699.60 × 5,649,561.63
  4. Step 4: Simplify right side
    8,745,528.72x = 68,205,460,430,676.34
  5. Step 5: Solve for x
    x = 68,205,460,430,676.34/8,745,528.72
  6. Step 6: Final answer
    x = 7,798,895.03

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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.