Home / 13,168,293.60-19,794,430.80-12,412,466.40

Finding the Fourth Proportional to 13,168,293.60, 19,794,430.80 and 12,412,466.40

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Solution

The fourth proportional to 13,168,293.60, 19,794,430.80 and 12,412,466.40 is: 18,658,279.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168,293.60 : 19,794,430.80 = 12,412,466.40 : x
  2. Step 2: Convert to fraction form
    13,168,293.60/19,794,430.80 = 12,412,466.40/x
  3. Step 3: Cross multiply
    13,168,293.60x = 19,794,430.80 × 12,412,466.40
  4. Step 4: Simplify right side
    13,168,293.60x = 245,697,707,212,125.12
  5. Step 5: Solve for x
    x = 245,697,707,212,125.12/13,168,293.60
  6. Step 6: Final answer
    x = 18,658,279.86

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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.