Home / 15,507,408-23,263,638.78-4,578,702.40

Finding the Fourth Proportional to 15,507,408, 23,263,638.78 and 4,578,702.40

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Solution

The fourth proportional to 15,507,408, 23,263,638.78 and 4,578,702.40 is: 6,868,799.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,507,408 : 23,263,638.78 = 4,578,702.40 : x
  2. Step 2: Convert to fraction form
    15,507,408/23,263,638.78 = 4,578,702.40/x
  3. Step 3: Cross multiply
    15,507,408x = 23,263,638.78 × 4,578,702.40
  4. Step 4: Simplify right side
    15,507,408x = 106,517,278,714,719.09
  5. Step 5: Solve for x
    x = 106,517,278,714,719.09/15,507,408
  6. Step 6: Final answer
    x = 6,868,799.65

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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.