Home / 28,567,642.10-39,423,577.57-15,514,994.36

Finding the Fourth Proportional to 28,567,642.10, 39,423,577.57 and 15,514,994.36

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Solution

The fourth proportional to 28,567,642.10, 39,423,577.57 and 15,514,994.36 is: 21,410,817.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,567,642.10 : 39,423,577.57 = 15,514,994.36 : x
  2. Step 2: Convert to fraction form
    28,567,642.10/39,423,577.57 = 15,514,994.36/x
  3. Step 3: Cross multiply
    28,567,642.10x = 39,423,577.57 × 15,514,994.36
  4. Step 4: Simplify right side
    28,567,642.10x = 611,656,583,709,344
  5. Step 5: Solve for x
    x = 611,656,583,709,344/28,567,642.10
  6. Step 6: Final answer
    x = 21,410,817.93

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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.