Home / 28,710,007.40-43,088,511.90-28,486,058.60

Finding the Fourth Proportional to 28,710,007.40, 43,088,511.90 and 28,486,058.60

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Solution

The fourth proportional to 28,710,007.40, 43,088,511.90 and 28,486,058.60 is: 42,752,405.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,710,007.40 : 43,088,511.90 = 28,486,058.60 : x
  2. Step 2: Convert to fraction form
    28,710,007.40/43,088,511.90 = 28,486,058.60/x
  3. Step 3: Cross multiply
    28,710,007.40x = 43,088,511.90 × 28,486,058.60
  4. Step 4: Simplify right side
    28,710,007.40x = 1,227,421,874,970,197.25
  5. Step 5: Solve for x
    x = 1,227,421,874,970,197.25/28,710,007.40
  6. Step 6: Final answer
    x = 42,752,405.38

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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.