Home / 8,340,588.80-12,537,609.60-7,748,921.60

Finding the Fourth Proportional to 8,340,588.80, 12,537,609.60 and 7,748,921.60

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Solution

The fourth proportional to 8,340,588.80, 12,537,609.60 and 7,748,921.60 is: 11,648,212.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340,588.80 : 12,537,609.60 = 7,748,921.60 : x
  2. Step 2: Convert to fraction form
    8,340,588.80/12,537,609.60 = 7,748,921.60/x
  3. Step 3: Cross multiply
    8,340,588.80x = 12,537,609.60 × 7,748,921.60
  4. Step 4: Simplify right side
    8,340,588.80x = 97,152,953,841,807.36
  5. Step 5: Solve for x
    x = 97,152,953,841,807.36/8,340,588.80
  6. Step 6: Final answer
    x = 11,648,212.87

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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.