Home / 27,315,509.05-40,899,841.98-20,807,582.64

Finding the Fourth Proportional to 27,315,509.05, 40,899,841.98 and 20,807,582.64

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Solution

The fourth proportional to 27,315,509.05, 40,899,841.98 and 20,807,582.64 is: 31,155,445.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,315,509.05 : 40,899,841.98 = 20,807,582.64 : x
  2. Step 2: Convert to fraction form
    27,315,509.05/40,899,841.98 = 20,807,582.64/x
  3. Step 3: Cross multiply
    27,315,509.05x = 40,899,841.98 × 20,807,582.64
  4. Step 4: Simplify right side
    27,315,509.05x = 851,026,841,961,791.12
  5. Step 5: Solve for x
    x = 851,026,841,961,791.12/27,315,509.05
  6. Step 6: Final answer
    x = 31,155,445.08

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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.