Home / 7,291,637.20-10,930,457.40-5,671,507.60

Finding the Fourth Proportional to 7,291,637.20, 10,930,457.40 and 5,671,507.60

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Solution

The fourth proportional to 7,291,637.20, 10,930,457.40 and 5,671,507.60 is: 8,501,817.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,291,637.20 : 10,930,457.40 = 5,671,507.60 : x
  2. Step 2: Convert to fraction form
    7,291,637.20/10,930,457.40 = 5,671,507.60/x
  3. Step 3: Cross multiply
    7,291,637.20x = 10,930,457.40 × 5,671,507.60
  4. Step 4: Simplify right side
    7,291,637.20x = 61,992,172,215,576.23
  5. Step 5: Solve for x
    x = 61,992,172,215,576.23/7,291,637.20
  6. Step 6: Final answer
    x = 8,501,817.98

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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.