Home / 51,278,019.84-70,763,683.32-28,074,620.52

Finding the Fourth Proportional to 51,278,019.84, 70,763,683.32 and 28,074,620.52

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Solution

The fourth proportional to 51,278,019.84, 70,763,683.32 and 28,074,620.52 is: 38,742,985.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,278,019.84 : 70,763,683.32 = 28,074,620.52 : x
  2. Step 2: Convert to fraction form
    51,278,019.84/70,763,683.32 = 28,074,620.52/x
  3. Step 3: Cross multiply
    51,278,019.84x = 70,763,683.32 × 28,074,620.52
  4. Step 4: Simplify right side
    51,278,019.84x = 1,986,663,555,806,453.50
  5. Step 5: Solve for x
    x = 1,986,663,555,806,453.50/51,278,019.84
  6. Step 6: Final answer
    x = 38,742,985.05

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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.