Home / 28,248,347.43-42,385,552.63-12,900,342.08

Finding the Fourth Proportional to 28,248,347.43, 42,385,552.63 and 12,900,342.08

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Solution

The fourth proportional to 28,248,347.43, 42,385,552.63 and 12,900,342.08 is: 19,356,464.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248,347.43 : 42,385,552.63 = 12,900,342.08 : x
  2. Step 2: Convert to fraction form
    28,248,347.43/42,385,552.63 = 12,900,342.08/x
  3. Step 3: Cross multiply
    28,248,347.43x = 42,385,552.63 × 12,900,342.08
  4. Step 4: Simplify right side
    28,248,347.43x = 546,788,128,250,556.62
  5. Step 5: Solve for x
    x = 546,788,128,250,556.62/28,248,347.43
  6. Step 6: Final answer
    x = 19,356,464.29

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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.