Home / 28,614,605.76-42,921,920.16-7,049,627.28

Finding the Fourth Proportional to 28,614,605.76, 42,921,920.16 and 7,049,627.28

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Solution

The fourth proportional to 28,614,605.76, 42,921,920.16 and 7,049,627.28 is: 10,574,443.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,614,605.76 : 42,921,920.16 = 7,049,627.28 : x
  2. Step 2: Convert to fraction form
    28,614,605.76/42,921,920.16 = 7,049,627.28/x
  3. Step 3: Cross multiply
    28,614,605.76x = 42,921,920.16 × 7,049,627.28
  4. Step 4: Simplify right side
    28,614,605.76x = 302,583,539,269,917.94
  5. Step 5: Solve for x
    x = 302,583,539,269,917.94/28,614,605.76
  6. Step 6: Final answer
    x = 10,574,443.76

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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.