Home / 15,533,267.15-21,434,920.93-8,563,563.75

Finding the Fourth Proportional to 15,533,267.15, 21,434,920.93 and 8,563,563.75

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Solution

The fourth proportional to 15,533,267.15, 21,434,920.93 and 8,563,563.75 is: 11,817,173.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,533,267.15 : 21,434,920.93 = 8,563,563.75 : x
  2. Step 2: Convert to fraction form
    15,533,267.15/21,434,920.93 = 8,563,563.75/x
  3. Step 3: Cross multiply
    15,533,267.15x = 21,434,920.93 × 8,563,563.75
  4. Step 4: Simplify right side
    15,533,267.15x = 183,559,311,951,349.69
  5. Step 5: Solve for x
    x = 183,559,311,951,349.69/15,533,267.15
  6. Step 6: Final answer
    x = 11,817,173.43

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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.