Home / 28,511,536.20-39,346,095.24-15,458,681.04

Finding the Fourth Proportional to 28,511,536.20, 39,346,095.24 and 15,458,681.04

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Solution

The fourth proportional to 28,511,536.20, 39,346,095.24 and 15,458,681.04 is: 21,333,074.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,511,536.20 : 39,346,095.24 = 15,458,681.04 : x
  2. Step 2: Convert to fraction form
    28,511,536.20/39,346,095.24 = 15,458,681.04/x
  3. Step 3: Cross multiply
    28,511,536.20x = 39,346,095.24 × 15,458,681.04
  4. Step 4: Simplify right side
    28,511,536.20x = 608,238,736,484,622.25
  5. Step 5: Solve for x
    x = 608,238,736,484,622.25/28,511,536.20
  6. Step 6: Final answer
    x = 21,333,074.87

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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.