Home / 10,050,436.40-15,112,979.40-8,408,145.20

Finding the Fourth Proportional to 10,050,436.40, 15,112,979.40 and 8,408,145.20

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Solution

The fourth proportional to 10,050,436.40, 15,112,979.40 and 8,408,145.20 is: 12,643,443.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,050,436.40 : 15,112,979.40 = 8,408,145.20 : x
  2. Step 2: Convert to fraction form
    10,050,436.40/15,112,979.40 = 8,408,145.20/x
  3. Step 3: Cross multiply
    10,050,436.40x = 15,112,979.40 × 8,408,145.20
  4. Step 4: Simplify right side
    10,050,436.40x = 127,072,125,199,808.88
  5. Step 5: Solve for x
    x = 127,072,125,199,808.88/10,050,436.40
  6. Step 6: Final answer
    x = 12,643,443.54

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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.