Home / 14,425,875.29-19,907,707.43-7,899,903.74

Finding the Fourth Proportional to 14,425,875.29, 19,907,707.43 and 7,899,903.74

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Solution

The fourth proportional to 14,425,875.29, 19,907,707.43 and 7,899,903.74 is: 10,901,866.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,425,875.29 : 19,907,707.43 = 7,899,903.74 : x
  2. Step 2: Convert to fraction form
    14,425,875.29/19,907,707.43 = 7,899,903.74/x
  3. Step 3: Cross multiply
    14,425,875.29x = 19,907,707.43 × 7,899,903.74
  4. Step 4: Simplify right side
    14,425,875.29x = 157,268,972,450,601.81
  5. Step 5: Solve for x
    x = 157,268,972,450,601.81/14,425,875.29
  6. Step 6: Final answer
    x = 10,901,866.91

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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.