Home / 18,736,501.68-25,846,042.68-12,938,327.28

Finding the Fourth Proportional to 18,736,501.68, 25,846,042.68 and 12,938,327.28

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Solution

The fourth proportional to 18,736,501.68, 25,846,042.68 and 12,938,327.28 is: 17,847,758.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736,501.68 : 25,846,042.68 = 12,938,327.28 : x
  2. Step 2: Convert to fraction form
    18,736,501.68/25,846,042.68 = 12,938,327.28/x
  3. Step 3: Cross multiply
    18,736,501.68x = 25,846,042.68 × 12,938,327.28
  4. Step 4: Simplify right side
    18,736,501.68x = 334,404,559,086,688.31
  5. Step 5: Solve for x
    x = 334,404,559,086,688.31/18,736,501.68
  6. Step 6: Final answer
    x = 17,847,758.60

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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.