Home / 10,500,271.45-15,750,407.18-7,630,490.05

Finding the Fourth Proportional to 10,500,271.45, 15,750,407.18 and 7,630,490.05

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Solution

The fourth proportional to 10,500,271.45, 15,750,407.18 and 7,630,490.05 is: 11,445,735.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500,271.45 : 15,750,407.18 = 7,630,490.05 : x
  2. Step 2: Convert to fraction form
    10,500,271.45/15,750,407.18 = 7,630,490.05/x
  3. Step 3: Cross multiply
    10,500,271.45x = 15,750,407.18 × 7,630,490.05
  4. Step 4: Simplify right side
    10,500,271.45x = 120,183,325,232,286.11
  5. Step 5: Solve for x
    x = 120,183,325,232,286.11/10,500,271.45
  6. Step 6: Final answer
    x = 11,445,735.08

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1.5x scale

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.