Home / 28,084,579.76-42,123,851.56-19,044,702.74

Finding the Fourth Proportional to 28,084,579.76, 42,123,851.56 and 19,044,702.74

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Solution

The fourth proportional to 28,084,579.76, 42,123,851.56 and 19,044,702.74 is: 28,565,007.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084,579.76 : 42,123,851.56 = 19,044,702.74 : x
  2. Step 2: Convert to fraction form
    28,084,579.76/42,123,851.56 = 19,044,702.74/x
  3. Step 3: Cross multiply
    28,084,579.76x = 42,123,851.56 × 19,044,702.74
  4. Step 4: Simplify right side
    28,084,579.76x = 802,236,231,224,085.25
  5. Step 5: Solve for x
    x = 802,236,231,224,085.25/28,084,579.76
  6. Step 6: Final answer
    x = 28,565,007.49

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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.