Home / 7,172,442.95-9,897,974.96-4,074,971.76

Finding the Fourth Proportional to 7,172,442.95, 9,897,974.96 and 4,074,971.76

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Solution

The fourth proportional to 7,172,442.95, 9,897,974.96 and 4,074,971.76 is: 5,623,463.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172,442.95 : 9,897,974.96 = 4,074,971.76 : x
  2. Step 2: Convert to fraction form
    7,172,442.95/9,897,974.96 = 4,074,971.76/x
  3. Step 3: Cross multiply
    7,172,442.95x = 9,897,974.96 × 4,074,971.76
  4. Step 4: Simplify right side
    7,172,442.95x = 40,333,968,422,812.27
  5. Step 5: Solve for x
    x = 40,333,968,422,812.27/7,172,442.95
  6. Step 6: Final answer
    x = 5,623,463.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.