Home / 8,319,672-12,477,929.76-4,055,551.68

Finding the Fourth Proportional to 8,319,672, 12,477,929.76 and 4,055,551.68

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Solution

The fourth proportional to 8,319,672, 12,477,929.76 and 4,055,551.68 is: 6,082,558.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319,672 : 12,477,929.76 = 4,055,551.68 : x
  2. Step 2: Convert to fraction form
    8,319,672/12,477,929.76 = 4,055,551.68/x
  3. Step 3: Cross multiply
    8,319,672x = 12,477,929.76 × 4,055,551.68
  4. Step 4: Simplify right side
    8,319,672x = 50,604,889,001,090
  5. Step 5: Solve for x
    x = 50,604,889,001,090/8,319,672
  6. Step 6: Final answer
    x = 6,082,558.18

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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.