Home / 12,241,802.35-18,402,561.60-8,672,290.30

Finding the Fourth Proportional to 12,241,802.35, 18,402,561.60 and 8,672,290.30

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Solution

The fourth proportional to 12,241,802.35, 18,402,561.60 and 8,672,290.30 is: 13,036,671.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241,802.35 : 18,402,561.60 = 8,672,290.30 : x
  2. Step 2: Convert to fraction form
    12,241,802.35/18,402,561.60 = 8,672,290.30/x
  3. Step 3: Cross multiply
    12,241,802.35x = 18,402,561.60 × 8,672,290.30
  4. Step 4: Simplify right side
    12,241,802.35x = 159,592,356,458,832.50
  5. Step 5: Solve for x
    x = 159,592,356,458,832.50/12,241,802.35
  6. Step 6: Final answer
    x = 13,036,671.55

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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.