Home / 10,368,032.55-15,552,048.83-7,120,774.95

Finding the Fourth Proportional to 10,368,032.55, 15,552,048.83 and 7,120,774.95

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Solution

The fourth proportional to 10,368,032.55, 15,552,048.83 and 7,120,774.95 is: 10,681,162.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,032.55 : 15,552,048.83 = 7,120,774.95 : x
  2. Step 2: Convert to fraction form
    10,368,032.55/15,552,048.83 = 7,120,774.95/x
  3. Step 3: Cross multiply
    10,368,032.55x = 15,552,048.83 × 7,120,774.95
  4. Step 4: Simplify right side
    10,368,032.55x = 110,742,639,694,236.94
  5. Step 5: Solve for x
    x = 110,742,639,694,236.94/10,368,032.55
  6. Step 6: Final answer
    x = 10,681,162.43

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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.