Home / 13,168,904.60-19,795,347.30-12,413,077.40

Finding the Fourth Proportional to 13,168,904.60, 19,795,347.30 and 12,413,077.40

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Solution

The fourth proportional to 13,168,904.60, 19,795,347.30 and 12,413,077.40 is: 18,659,196.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168,904.60 : 19,795,347.30 = 12,413,077.40 : x
  2. Step 2: Convert to fraction form
    13,168,904.60/19,795,347.30 = 12,413,077.40/x
  3. Step 3: Cross multiply
    13,168,904.60x = 19,795,347.30 × 12,413,077.40
  4. Step 4: Simplify right side
    13,168,904.60x = 245,721,178,194,781.03
  5. Step 5: Solve for x
    x = 245,721,178,194,781.03/13,168,904.60
  6. Step 6: Final answer
    x = 18,659,196.47

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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.