Home / 29,014,098.66-40,011,974.55-18,563,421.78

Finding the Fourth Proportional to 29,014,098.66, 40,011,974.55 and 18,563,421.78

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Solution

The fourth proportional to 29,014,098.66, 40,011,974.55 and 18,563,421.78 is: 25,599,939.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,014,098.66 : 40,011,974.55 = 18,563,421.78 : x
  2. Step 2: Convert to fraction form
    29,014,098.66/40,011,974.55 = 18,563,421.78/x
  3. Step 3: Cross multiply
    29,014,098.66x = 40,011,974.55 × 18,563,421.78
  4. Step 4: Simplify right side
    29,014,098.66x = 742,759,159,822,275.75
  5. Step 5: Solve for x
    x = 742,759,159,822,275.75/29,014,098.66
  6. Step 6: Final answer
    x = 25,599,939.14

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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.