Home / 15,675,577.26-21,631,102.35-8,798,730.72

Finding the Fourth Proportional to 15,675,577.26, 21,631,102.35 and 8,798,730.72

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Solution

The fourth proportional to 15,675,577.26, 21,631,102.35 and 8,798,730.72 is: 12,141,578.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,675,577.26 : 21,631,102.35 = 8,798,730.72 : x
  2. Step 2: Convert to fraction form
    15,675,577.26/21,631,102.35 = 8,798,730.72/x
  3. Step 3: Cross multiply
    15,675,577.26x = 21,631,102.35 × 8,798,730.72
  4. Step 4: Simplify right side
    15,675,577.26x = 190,326,244,754,409.22
  5. Step 5: Solve for x
    x = 190,326,244,754,409.22/15,675,577.26
  6. Step 6: Final answer
    x = 12,141,578.05

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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.