Home / 11,710,911.60-16,159,129.80-7,356,914.49

Finding the Fourth Proportional to 11,710,911.60, 16,159,129.80 and 7,356,914.49

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Solution

The fourth proportional to 11,710,911.60, 16,159,129.80 and 7,356,914.49 is: 10,151,330.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,710,911.60 : 16,159,129.80 = 7,356,914.49 : x
  2. Step 2: Convert to fraction form
    11,710,911.60/16,159,129.80 = 7,356,914.49/x
  3. Step 3: Cross multiply
    11,710,911.60x = 16,159,129.80 × 7,356,914.49
  4. Step 4: Simplify right side
    11,710,911.60x = 118,881,336,171,410.81
  5. Step 5: Solve for x
    x = 118,881,336,171,410.81/11,710,911.60
  6. Step 6: Final answer
    x = 10,151,330.68

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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.