Home / 19,182,641.63-28,776,356.82-7,509,505.32

Finding the Fourth Proportional to 19,182,641.63, 28,776,356.82 and 7,509,505.32

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Solution

The fourth proportional to 19,182,641.63, 28,776,356.82 and 7,509,505.32 is: 11,265,195.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,182,641.63 : 28,776,356.82 = 7,509,505.32 : x
  2. Step 2: Convert to fraction form
    19,182,641.63/28,776,356.82 = 7,509,505.32/x
  3. Step 3: Cross multiply
    19,182,641.63x = 28,776,356.82 × 7,509,505.32
  4. Step 4: Simplify right side
    19,182,641.63x = 216,096,204,630,008.28
  5. Step 5: Solve for x
    x = 216,096,204,630,008.28/19,182,641.63
  6. Step 6: Final answer
    x = 11,265,195.32

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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.