Home / 12,453,443.10-18,678,356.92-4,779,019.52

Finding the Fourth Proportional to 12,453,443.10, 18,678,356.92 and 4,779,019.52

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Solution

The fourth proportional to 12,453,443.10, 18,678,356.92 and 4,779,019.52 is: 7,167,835.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,453,443.10 : 18,678,356.92 = 4,779,019.52 : x
  2. Step 2: Convert to fraction form
    12,453,443.10/18,678,356.92 = 4,779,019.52/x
  3. Step 3: Cross multiply
    12,453,443.10x = 18,678,356.92 × 4,779,019.52
  4. Step 4: Simplify right side
    12,453,443.10x = 89,264,232,322,207.08
  5. Step 5: Solve for x
    x = 89,264,232,322,207.08/12,453,443.10
  6. Step 6: Final answer
    x = 7,167,835.56

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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.