Home / 14,298,027.31-19,731,409.78-7,771,672.12

Finding the Fourth Proportional to 14,298,027.31, 19,731,409.78 and 7,771,672.12

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Solution

The fourth proportional to 14,298,027.31, 19,731,409.78 and 7,771,672.12 is: 10,724,979.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298,027.31 : 19,731,409.78 = 7,771,672.12 : x
  2. Step 2: Convert to fraction form
    14,298,027.31/19,731,409.78 = 7,771,672.12/x
  3. Step 3: Cross multiply
    14,298,027.31x = 19,731,409.78 × 7,771,672.12
  4. Step 4: Simplify right side
    14,298,027.31x = 153,346,047,236,470.19
  5. Step 5: Solve for x
    x = 153,346,047,236,470.19/14,298,027.31
  6. Step 6: Final answer
    x = 10,724,979.32

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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.