Home / 8,798,666.40-13,197,999.60-8,160,937.20

Finding the Fourth Proportional to 8,798,666.40, 13,197,999.60 and 8,160,937.20

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Solution

The fourth proportional to 8,798,666.40, 13,197,999.60 and 8,160,937.20 is: 12,241,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798,666.40 : 13,197,999.60 = 8,160,937.20 : x
  2. Step 2: Convert to fraction form
    8,798,666.40/13,197,999.60 = 8,160,937.20/x
  3. Step 3: Cross multiply
    8,798,666.40x = 13,197,999.60 × 8,160,937.20
  4. Step 4: Simplify right side
    8,798,666.40x = 107,708,045,901,225.12
  5. Step 5: Solve for x
    x = 107,708,045,901,225.12/8,798,666.40
  6. Step 6: Final answer
    x = 12,241,405.80

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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.