Home / 10,865,784.40-16,298,676.60-6,561,112.30

Finding the Fourth Proportional to 10,865,784.40, 16,298,676.60 and 6,561,112.30

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Solution

The fourth proportional to 10,865,784.40, 16,298,676.60 and 6,561,112.30 is: 9,841,668.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,784.40 : 16,298,676.60 = 6,561,112.30 : x
  2. Step 2: Convert to fraction form
    10,865,784.40/16,298,676.60 = 6,561,112.30/x
  3. Step 3: Cross multiply
    10,865,784.40x = 16,298,676.60 × 6,561,112.30
  4. Step 4: Simplify right side
    10,865,784.40x = 106,937,447,513,982.17
  5. Step 5: Solve for x
    x = 106,937,447,513,982.17/10,865,784.40
  6. Step 6: Final answer
    x = 9,841,668.45

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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.