Home / 8,742,903.21-12,065,259.02-4,875,668.78

Finding the Fourth Proportional to 8,742,903.21, 12,065,259.02 and 4,875,668.78

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Solution

The fourth proportional to 8,742,903.21, 12,065,259.02 and 4,875,668.78 is: 6,728,452.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,903.21 : 12,065,259.02 = 4,875,668.78 : x
  2. Step 2: Convert to fraction form
    8,742,903.21/12,065,259.02 = 4,875,668.78/x
  3. Step 3: Cross multiply
    8,742,903.21x = 12,065,259.02 × 4,875,668.78
  4. Step 4: Simplify right side
    8,742,903.21x = 58,826,206,641,722.77
  5. Step 5: Solve for x
    x = 58,826,206,641,722.77/8,742,903.21
  6. Step 6: Final answer
    x = 6,728,452.23

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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.