Home / 9,669,971.60-14,487,461.40-7,661,430.80

Finding the Fourth Proportional to 9,669,971.60, 14,487,461.40 and 7,661,430.80

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Solution

The fourth proportional to 9,669,971.60, 14,487,461.40 and 7,661,430.80 is: 11,478,284.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,669,971.60 : 14,487,461.40 = 7,661,430.80 : x
  2. Step 2: Convert to fraction form
    9,669,971.60/14,487,461.40 = 7,661,430.80/x
  3. Step 3: Cross multiply
    9,669,971.60x = 14,487,461.40 × 7,661,430.80
  4. Step 4: Simplify right side
    9,669,971.60x = 110,994,682,983,771.12
  5. Step 5: Solve for x
    x = 110,994,682,983,771.12/9,669,971.60
  6. Step 6: Final answer
    x = 11,478,284.28

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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.