Home / 13,166,470.40-19,749,705.60-4,191,929.60

Finding the Fourth Proportional to 13,166,470.40, 19,749,705.60 and 4,191,929.60

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Solution

The fourth proportional to 13,166,470.40, 19,749,705.60 and 4,191,929.60 is: 6,287,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166,470.40 : 19,749,705.60 = 4,191,929.60 : x
  2. Step 2: Convert to fraction form
    13,166,470.40/19,749,705.60 = 4,191,929.60/x
  3. Step 3: Cross multiply
    13,166,470.40x = 19,749,705.60 × 4,191,929.60
  4. Step 4: Simplify right side
    13,166,470.40x = 82,789,375,495,925.77
  5. Step 5: Solve for x
    x = 82,789,375,495,925.77/13,166,470.40
  6. Step 6: Final answer
    x = 6,287,894.40

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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.