Home / 13,766,485.77-18,998,214.39-7,572,011.58

Finding the Fourth Proportional to 13,766,485.77, 18,998,214.39 and 7,572,011.58

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Solution

The fourth proportional to 13,766,485.77, 18,998,214.39 and 7,572,011.58 is: 10,449,631.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766,485.77 : 18,998,214.39 = 7,572,011.58 : x
  2. Step 2: Convert to fraction form
    13,766,485.77/18,998,214.39 = 7,572,011.58/x
  3. Step 3: Cross multiply
    13,766,485.77x = 18,998,214.39 × 7,572,011.58
  4. Step 4: Simplify right side
    13,766,485.77x = 143,854,699,360,402.66
  5. Step 5: Solve for x
    x = 143,854,699,360,402.66/13,766,485.77
  6. Step 6: Final answer
    x = 10,449,631.21

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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.