Home / 19,698,895.82-29,557,700.86-13,642,947.02

Finding the Fourth Proportional to 19,698,895.82, 29,557,700.86 and 13,642,947.02

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Solution

The fourth proportional to 19,698,895.82, 29,557,700.86 and 13,642,947.02 is: 20,470,901.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,698,895.82 : 29,557,700.86 = 13,642,947.02 : x
  2. Step 2: Convert to fraction form
    19,698,895.82/29,557,700.86 = 13,642,947.02/x
  3. Step 3: Cross multiply
    19,698,895.82x = 29,557,700.86 × 13,642,947.02
  4. Step 4: Simplify right side
    19,698,895.82x = 403,254,146,865,988.44
  5. Step 5: Solve for x
    x = 403,254,146,865,988.44/19,698,895.82
  6. Step 6: Final answer
    x = 20,470,901.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.