Home / 8,749,369.61-12,070,762.48-5,480,493.51

Finding the Fourth Proportional to 8,749,369.61, 12,070,762.48 and 5,480,493.51

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Solution

The fourth proportional to 8,749,369.61, 12,070,762.48 and 5,480,493.51 is: 7,560,971.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749,369.61 : 12,070,762.48 = 5,480,493.51 : x
  2. Step 2: Convert to fraction form
    8,749,369.61/12,070,762.48 = 5,480,493.51/x
  3. Step 3: Cross multiply
    8,749,369.61x = 12,070,762.48 × 5,480,493.51
  4. Step 4: Simplify right side
    8,749,369.61x = 66,153,735,499,918.62
  5. Step 5: Solve for x
    x = 66,153,735,499,918.62/8,749,369.61
  6. Step 6: Final answer
    x = 7,560,971.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.