Home / 7,918,875.50-10,928,048.20-4,297,203.50

Finding the Fourth Proportional to 7,918,875.50, 10,928,048.20 and 4,297,203.50

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Solution

The fourth proportional to 7,918,875.50, 10,928,048.20 and 4,297,203.50 is: 5,930,140.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918,875.50 : 10,928,048.20 = 4,297,203.50 : x
  2. Step 2: Convert to fraction form
    7,918,875.50/10,928,048.20 = 4,297,203.50/x
  3. Step 3: Cross multiply
    7,918,875.50x = 10,928,048.20 × 4,297,203.50
  4. Step 4: Simplify right side
    7,918,875.50x = 46,960,046,973,208.70
  5. Step 5: Solve for x
    x = 46,960,046,973,208.70/7,918,875.50
  6. Step 6: Final answer
    x = 5,930,140.84

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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.