Home / 13,501,548.70-18,630,133.60-8,200,487.00

Finding the Fourth Proportional to 13,501,548.70, 18,630,133.60 and 8,200,487.00

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Solution

The fourth proportional to 13,501,548.70, 18,630,133.60 and 8,200,487.00 is: 11,315,455.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501,548.70 : 18,630,133.60 = 8,200,487.00 : x
  2. Step 2: Convert to fraction form
    13,501,548.70/18,630,133.60 = 8,200,487.00/x
  3. Step 3: Cross multiply
    13,501,548.70x = 18,630,133.60 × 8,200,487.00
  4. Step 4: Simplify right side
    13,501,548.70x = 152,776,168,331,718.72
  5. Step 5: Solve for x
    x = 152,776,168,331,718.72/13,501,548.70
  6. Step 6: Final answer
    x = 11,315,455.11

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1.5x scale

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.