Home / 5,100,038.83-7,038,208.43-2,808,281.53

Finding the Fourth Proportional to 5,100,038.83, 7,038,208.43 and 2,808,281.53

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Solution

The fourth proportional to 5,100,038.83, 7,038,208.43 and 2,808,281.53 is: 3,875,513.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100,038.83 : 7,038,208.43 = 2,808,281.53 : x
  2. Step 2: Convert to fraction form
    5,100,038.83/7,038,208.43 = 2,808,281.53/x
  3. Step 3: Cross multiply
    5,100,038.83x = 7,038,208.43 × 2,808,281.53
  4. Step 4: Simplify right side
    5,100,038.83x = 19,765,270,738,259.30
  5. Step 5: Solve for x
    x = 19,765,270,738,259.30/5,100,038.83
  6. Step 6: Final answer
    x = 3,875,513.77

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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.