Home / 10,502,495.40-15,753,743.10-8,878,866.60

Finding the Fourth Proportional to 10,502,495.40, 15,753,743.10 and 8,878,866.60

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Solution

The fourth proportional to 10,502,495.40, 15,753,743.10 and 8,878,866.60 is: 13,318,299.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502,495.40 : 15,753,743.10 = 8,878,866.60 : x
  2. Step 2: Convert to fraction form
    10,502,495.40/15,753,743.10 = 8,878,866.60/x
  3. Step 3: Cross multiply
    10,502,495.40x = 15,753,743.10 × 8,878,866.60
  4. Step 4: Simplify right side
    10,502,495.40x = 139,875,383,435,570.45
  5. Step 5: Solve for x
    x = 139,875,383,435,570.45/10,502,495.40
  6. Step 6: Final answer
    x = 13,318,299.90

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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.