Home / 7,918,875.81-10,928,048.63-4,297,203.81

Finding the Fourth Proportional to 7,918,875.81, 10,928,048.63 and 4,297,203.81

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Solution

The fourth proportional to 7,918,875.81, 10,928,048.63 and 4,297,203.81 is: 5,930,141.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918,875.81 : 10,928,048.63 = 4,297,203.81 : x
  2. Step 2: Convert to fraction form
    7,918,875.81/10,928,048.63 = 4,297,203.81/x
  3. Step 3: Cross multiply
    7,918,875.81x = 10,928,048.63 × 4,297,203.81
  4. Step 4: Simplify right side
    7,918,875.81x = 46,960,052,208,701.28
  5. Step 5: Solve for x
    x = 46,960,052,208,701.28/7,918,875.81
  6. Step 6: Final answer
    x = 5,930,141.26

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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.