Home / 11,809,332.80-17,713,999.20-8,953,985.60

Finding the Fourth Proportional to 11,809,332.80, 17,713,999.20 and 8,953,985.60

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Solution

The fourth proportional to 11,809,332.80, 17,713,999.20 and 8,953,985.60 is: 13,430,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809,332.80 : 17,713,999.20 = 8,953,985.60 : x
  2. Step 2: Convert to fraction form
    11,809,332.80/17,713,999.20 = 8,953,985.60/x
  3. Step 3: Cross multiply
    11,809,332.80x = 17,713,999.20 × 8,953,985.60
  4. Step 4: Simplify right side
    11,809,332.80x = 158,610,893,755,211.50
  5. Step 5: Solve for x
    x = 158,610,893,755,211.50/11,809,332.80
  6. Step 6: Final answer
    x = 13,430,978.40

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1.5x scale

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.