Home / 26,074,356.45-39,111,340.28-7,878,516.45

Finding the Fourth Proportional to 26,074,356.45, 39,111,340.28 and 7,878,516.45

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Solution

The fourth proportional to 26,074,356.45, 39,111,340.28 and 7,878,516.45 is: 11,817,715.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,074,356.45 : 39,111,340.28 = 7,878,516.45 : x
  2. Step 2: Convert to fraction form
    26,074,356.45/39,111,340.28 = 7,878,516.45/x
  3. Step 3: Cross multiply
    26,074,356.45x = 39,111,340.28 × 7,878,516.45
  4. Step 4: Simplify right side
    26,074,356.45x = 308,139,337,738,135
  5. Step 5: Solve for x
    x = 308,139,337,738,135/26,074,356.45
  6. Step 6: Final answer
    x = 11,817,715.94

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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.