Home / 8,820,008.40-13,230,012.60-3,771,829.20

Finding the Fourth Proportional to 8,820,008.40, 13,230,012.60 and 3,771,829.20

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Solution

The fourth proportional to 8,820,008.40, 13,230,012.60 and 3,771,829.20 is: 5,657,743.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820,008.40 : 13,230,012.60 = 3,771,829.20 : x
  2. Step 2: Convert to fraction form
    8,820,008.40/13,230,012.60 = 3,771,829.20/x
  3. Step 3: Cross multiply
    8,820,008.40x = 13,230,012.60 × 3,771,829.20
  4. Step 4: Simplify right side
    8,820,008.40x = 49,901,347,841,047.92
  5. Step 5: Solve for x
    x = 49,901,347,841,047.92/8,820,008.40
  6. Step 6: Final answer
    x = 5,657,743.80

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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.