Home / 13,319,471.52-18,380,916.93-7,207,898.40

Finding the Fourth Proportional to 13,319,471.52, 18,380,916.93 and 7,207,898.40

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Solution

The fourth proportional to 13,319,471.52, 18,380,916.93 and 7,207,898.40 is: 9,946,924.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319,471.52 : 18,380,916.93 = 7,207,898.40 : x
  2. Step 2: Convert to fraction form
    13,319,471.52/18,380,916.93 = 7,207,898.40/x
  3. Step 3: Cross multiply
    13,319,471.52x = 18,380,916.93 × 7,207,898.40
  4. Step 4: Simplify right side
    13,319,471.52x = 132,487,781,730,279.92
  5. Step 5: Solve for x
    x = 132,487,781,730,279.92/13,319,471.52
  6. Step 6: Final answer
    x = 9,946,924.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.