Home / 13,253,091.40-19,879,637.10-10,859,638.60

Finding the Fourth Proportional to 13,253,091.40, 19,879,637.10 and 10,859,638.60

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Solution

The fourth proportional to 13,253,091.40, 19,879,637.10 and 10,859,638.60 is: 16,289,457.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253,091.40 : 19,879,637.10 = 10,859,638.60 : x
  2. Step 2: Convert to fraction form
    13,253,091.40/19,879,637.10 = 10,859,638.60/x
  3. Step 3: Cross multiply
    13,253,091.40x = 19,879,637.10 × 10,859,638.60
  4. Step 4: Simplify right side
    13,253,091.40x = 215,885,674,405,152.06
  5. Step 5: Solve for x
    x = 215,885,674,405,152.06/13,253,091.40
  6. Step 6: Final answer
    x = 16,289,457.90

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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.