Home / 14,465,112.52-19,961,797.08-7,938,849.28

Finding the Fourth Proportional to 14,465,112.52, 19,961,797.08 and 7,938,849.28

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Solution

The fourth proportional to 14,465,112.52, 19,961,797.08 and 7,938,849.28 is: 10,955,580.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,465,112.52 : 19,961,797.08 = 7,938,849.28 : x
  2. Step 2: Convert to fraction form
    14,465,112.52/19,961,797.08 = 7,938,849.28/x
  3. Step 3: Cross multiply
    14,465,112.52x = 19,961,797.08 × 7,938,849.28
  4. Step 4: Simplify right side
    14,465,112.52x = 158,473,698,376,064.09
  5. Step 5: Solve for x
    x = 158,473,698,376,064.09/14,465,112.52
  6. Step 6: Final answer
    x = 10,955,580.07

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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.