Home / 40,970,703.20-61,456,054.80-28,056,686.90

Finding the Fourth Proportional to 40,970,703.20, 61,456,054.80 and 28,056,686.90

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Solution

The fourth proportional to 40,970,703.20, 61,456,054.80 and 28,056,686.90 is: 42,085,030.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,970,703.20 : 61,456,054.80 = 28,056,686.90 : x
  2. Step 2: Convert to fraction form
    40,970,703.20/61,456,054.80 = 28,056,686.90/x
  3. Step 3: Cross multiply
    40,970,703.20x = 61,456,054.80 × 28,056,686.90
  4. Step 4: Simplify right side
    40,970,703.20x = 1,724,253,287,632,842
  5. Step 5: Solve for x
    x = 1,724,253,287,632,842/40,970,703.20
  6. Step 6: Final answer
    x = 42,085,030.35

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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.