Home / 10,300,935.20-15,451,402.80-6,468,922.40

Finding the Fourth Proportional to 10,300,935.20, 15,451,402.80 and 6,468,922.40

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Solution

The fourth proportional to 10,300,935.20, 15,451,402.80 and 6,468,922.40 is: 9,703,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,300,935.20 : 15,451,402.80 = 6,468,922.40 : x
  2. Step 2: Convert to fraction form
    10,300,935.20/15,451,402.80 = 6,468,922.40/x
  3. Step 3: Cross multiply
    10,300,935.20x = 15,451,402.80 × 6,468,922.40
  4. Step 4: Simplify right side
    10,300,935.20x = 99,953,925,684,342.73
  5. Step 5: Solve for x
    x = 99,953,925,684,342.73/10,300,935.20
  6. Step 6: Final answer
    x = 9,703,383.60

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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.