Home / 10,136,739.62-13,977,487.77-6,459,827.78

Finding the Fourth Proportional to 10,136,739.62, 13,977,487.77 and 6,459,827.78

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Solution

The fourth proportional to 10,136,739.62, 13,977,487.77 and 6,459,827.78 is: 8,907,416.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136,739.62 : 13,977,487.77 = 6,459,827.78 : x
  2. Step 2: Convert to fraction form
    10,136,739.62/13,977,487.77 = 6,459,827.78/x
  3. Step 3: Cross multiply
    10,136,739.62x = 13,977,487.77 × 6,459,827.78
  4. Step 4: Simplify right side
    10,136,739.62x = 90,292,163,791,256.25
  5. Step 5: Solve for x
    x = 90,292,163,791,256.25/10,136,739.62
  6. Step 6: Final answer
    x = 8,907,416.70

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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.