Home / 14,278,534.28-21,426,311.64-5,181,341.56

Finding the Fourth Proportional to 14,278,534.28, 21,426,311.64 and 5,181,341.56

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Solution

The fourth proportional to 14,278,534.28, 21,426,311.64 and 5,181,341.56 is: 7,775,100.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278,534.28 : 21,426,311.64 = 5,181,341.56 : x
  2. Step 2: Convert to fraction form
    14,278,534.28/21,426,311.64 = 5,181,341.56/x
  3. Step 3: Cross multiply
    14,278,534.28x = 21,426,311.64 × 5,181,341.56
  4. Step 4: Simplify right side
    14,278,534.28x = 111,017,038,977,843.75
  5. Step 5: Solve for x
    x = 111,017,038,977,843.75/14,278,534.28
  6. Step 6: Final answer
    x = 7,775,100.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.