Home / 9,038,881.92-12,470,622.06-5,118,102.18

Finding the Fourth Proportional to 9,038,881.92, 12,470,622.06 and 5,118,102.18

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Solution

The fourth proportional to 9,038,881.92, 12,470,622.06 and 5,118,102.18 is: 7,061,262.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,038,881.92 : 12,470,622.06 = 5,118,102.18 : x
  2. Step 2: Convert to fraction form
    9,038,881.92/12,470,622.06 = 5,118,102.18/x
  3. Step 3: Cross multiply
    9,038,881.92x = 12,470,622.06 × 5,118,102.18
  4. Step 4: Simplify right side
    9,038,881.92x = 63,825,917,951,242.09
  5. Step 5: Solve for x
    x = 63,825,917,951,242.09/9,038,881.92
  6. Step 6: Final answer
    x = 7,061,262.50

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Why These Related Problems?

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