Home / 8,788,605.40-12,128,372.46-4,868,421.57

Finding the Fourth Proportional to 8,788,605.40, 12,128,372.46 and 4,868,421.57

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Solution

The fourth proportional to 8,788,605.40, 12,128,372.46 and 4,868,421.57 is: 6,718,475.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788,605.40 : 12,128,372.46 = 4,868,421.57 : x
  2. Step 2: Convert to fraction form
    8,788,605.40/12,128,372.46 = 4,868,421.57/x
  3. Step 3: Cross multiply
    8,788,605.40x = 12,128,372.46 × 4,868,421.57
  4. Step 4: Simplify right side
    8,788,605.40x = 59,046,030,093,257.97
  5. Step 5: Solve for x
    x = 59,046,030,093,257.97/8,788,605.40
  6. Step 6: Final answer
    x = 6,718,475.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.