Home / 13,563,214.24-18,719,985.84-8,333,840.80

Finding the Fourth Proportional to 13,563,214.24, 18,719,985.84 and 8,333,840.80

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Solution

The fourth proportional to 13,563,214.24, 18,719,985.84 and 8,333,840.80 is: 11,502,390.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563,214.24 : 18,719,985.84 = 8,333,840.80 : x
  2. Step 2: Convert to fraction form
    13,563,214.24/18,719,985.84 = 8,333,840.80/x
  3. Step 3: Cross multiply
    13,563,214.24x = 18,719,985.84 × 8,333,840.80
  4. Step 4: Simplify right side
    13,563,214.24x = 156,009,381,768,814.28
  5. Step 5: Solve for x
    x = 156,009,381,768,814.28/13,563,214.24
  6. Step 6: Final answer
    x = 11,502,390.14

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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.