Home / 28,765,599.76-43,148,607-7,200,574.48

Finding the Fourth Proportional to 28,765,599.76, 43,148,607 and 7,200,574.48

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Solution

The fourth proportional to 28,765,599.76, 43,148,607 and 7,200,574.48 is: 10,800,913.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,765,599.76 : 43,148,607 = 7,200,574.48 : x
  2. Step 2: Convert to fraction form
    28,765,599.76/43,148,607 = 7,200,574.48/x
  3. Step 3: Cross multiply
    28,765,599.76x = 43,148,607 × 7,200,574.48
  4. Step 4: Simplify right side
    28,765,599.76x = 310,694,758,411,749.38
  5. Step 5: Solve for x
    x = 310,694,758,411,749.38/28,765,599.76
  6. Step 6: Final answer
    x = 10,800,913.63

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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.