Home / 19,198,893.47-28,784,895.02-7,066,783.13

Finding the Fourth Proportional to 19,198,893.47, 28,784,895.02 and 7,066,783.13

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Solution

The fourth proportional to 19,198,893.47, 28,784,895.02 and 7,066,783.13 is: 10,595,225.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,198,893.47 : 28,784,895.02 = 7,066,783.13 : x
  2. Step 2: Convert to fraction form
    19,198,893.47/28,784,895.02 = 7,066,783.13/x
  3. Step 3: Cross multiply
    19,198,893.47x = 28,784,895.02 × 7,066,783.13
  4. Step 4: Simplify right side
    19,198,893.47x = 203,416,610,490,823.09
  5. Step 5: Solve for x
    x = 203,416,610,490,823.09/19,198,893.47
  6. Step 6: Final answer
    x = 10,595,225.75

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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.