Home / 12,402,824.40-18,559,999.80-8,598,459.60

Finding the Fourth Proportional to 12,402,824.40, 18,559,999.80 and 8,598,459.60

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Solution

The fourth proportional to 12,402,824.40, 18,559,999.80 and 8,598,459.60 is: 12,867,021.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402,824.40 : 18,559,999.80 = 8,598,459.60 : x
  2. Step 2: Convert to fraction form
    12,402,824.40/18,559,999.80 = 8,598,459.60/x
  3. Step 3: Cross multiply
    12,402,824.40x = 18,559,999.80 × 8,598,459.60
  4. Step 4: Simplify right side
    12,402,824.40x = 159,587,408,456,308.09
  5. Step 5: Solve for x
    x = 159,587,408,456,308.09/12,402,824.40
  6. Step 6: Final answer
    x = 12,867,021.52

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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.