Home / 10,780,606.60-16,170,909.90-9,898,808.20

Finding the Fourth Proportional to 10,780,606.60, 16,170,909.90 and 9,898,808.20

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Solution

The fourth proportional to 10,780,606.60, 16,170,909.90 and 9,898,808.20 is: 14,848,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780,606.60 : 16,170,909.90 = 9,898,808.20 : x
  2. Step 2: Convert to fraction form
    10,780,606.60/16,170,909.90 = 9,898,808.20/x
  3. Step 3: Cross multiply
    10,780,606.60x = 16,170,909.90 × 9,898,808.20
  4. Step 4: Simplify right side
    10,780,606.60x = 160,072,735,519,581.16
  5. Step 5: Solve for x
    x = 160,072,735,519,581.16/10,780,606.60
  6. Step 6: Final answer
    x = 14,848,212.30

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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.