Home / 7,136,447.60-10,704,671.40-6,561,369.20

Finding the Fourth Proportional to 7,136,447.60, 10,704,671.40 and 6,561,369.20

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Solution

The fourth proportional to 7,136,447.60, 10,704,671.40 and 6,561,369.20 is: 9,842,053.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136,447.60 : 10,704,671.40 = 6,561,369.20 : x
  2. Step 2: Convert to fraction form
    7,136,447.60/10,704,671.40 = 6,561,369.20/x
  3. Step 3: Cross multiply
    7,136,447.60x = 10,704,671.40 × 6,561,369.20
  4. Step 4: Simplify right side
    7,136,447.60x = 70,237,301,220,080.88
  5. Step 5: Solve for x
    x = 70,237,301,220,080.88/7,136,447.60
  6. Step 6: Final answer
    x = 9,842,053.80

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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.