Home / 15,406,699.40-21,260,984.73-8,531,033.84

Finding the Fourth Proportional to 15,406,699.40, 21,260,984.73 and 8,531,033.84

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Solution

The fourth proportional to 15,406,699.40, 21,260,984.73 and 8,531,033.84 is: 11,772,682.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406,699.40 : 21,260,984.73 = 8,531,033.84 : x
  2. Step 2: Convert to fraction form
    15,406,699.40/21,260,984.73 = 8,531,033.84/x
  3. Step 3: Cross multiply
    15,406,699.40x = 21,260,984.73 × 8,531,033.84
  4. Step 4: Simplify right side
    15,406,699.40x = 181,378,180,203,353.25
  5. Step 5: Solve for x
    x = 181,378,180,203,353.25/15,406,699.40
  6. Step 6: Final answer
    x = 11,772,682.49

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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.