Home / 10,926,956.20-16,402,875.90-6,441,759.40

Finding the Fourth Proportional to 10,926,956.20, 16,402,875.90 and 6,441,759.40

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Solution

The fourth proportional to 10,926,956.20, 16,402,875.90 and 6,441,759.40 is: 9,669,973.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926,956.20 : 16,402,875.90 = 6,441,759.40 : x
  2. Step 2: Convert to fraction form
    10,926,956.20/16,402,875.90 = 6,441,759.40/x
  3. Step 3: Cross multiply
    10,926,956.20x = 16,402,875.90 × 6,441,759.40
  4. Step 4: Simplify right side
    10,926,956.20x = 105,663,380,015,858.47
  5. Step 5: Solve for x
    x = 105,663,380,015,858.47/10,926,956.20
  6. Step 6: Final answer
    x = 9,669,973.79

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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.