Home / 12,450,948.60-18,679,461.68-4,774,456.32

Finding the Fourth Proportional to 12,450,948.60, 18,679,461.68 and 4,774,456.32

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Solution

The fourth proportional to 12,450,948.60, 18,679,461.68 and 4,774,456.32 is: 7,162,849.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450,948.60 : 18,679,461.68 = 4,774,456.32 : x
  2. Step 2: Convert to fraction form
    12,450,948.60/18,679,461.68 = 4,774,456.32/x
  3. Step 3: Cross multiply
    12,450,948.60x = 18,679,461.68 × 4,774,456.32
  4. Step 4: Simplify right side
    12,450,948.60x = 89,184,273,872,273.83
  5. Step 5: Solve for x
    x = 89,184,273,872,273.83/12,450,948.60
  6. Step 6: Final answer
    x = 7,162,849.73

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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.