Home / 18,966,386.40-28,449,579.60-14,183,417.40

Finding the Fourth Proportional to 18,966,386.40, 28,449,579.60 and 14,183,417.40

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Solution

The fourth proportional to 18,966,386.40, 28,449,579.60 and 14,183,417.40 is: 21,275,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,966,386.40 : 28,449,579.60 = 14,183,417.40 : x
  2. Step 2: Convert to fraction form
    18,966,386.40/28,449,579.60 = 14,183,417.40/x
  3. Step 3: Cross multiply
    18,966,386.40x = 28,449,579.60 × 14,183,417.40
  4. Step 4: Simplify right side
    18,966,386.40x = 403,512,262,321,325.06
  5. Step 5: Solve for x
    x = 403,512,262,321,325.06/18,966,386.40
  6. Step 6: Final answer
    x = 21,275,126.10

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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.