Home / 10,971,405.90-16,457,108.85-9,347,777.10

Finding the Fourth Proportional to 10,971,405.90, 16,457,108.85 and 9,347,777.10

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Solution

The fourth proportional to 10,971,405.90, 16,457,108.85 and 9,347,777.10 is: 14,021,665.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,971,405.90 : 16,457,108.85 = 9,347,777.10 : x
  2. Step 2: Convert to fraction form
    10,971,405.90/16,457,108.85 = 9,347,777.10/x
  3. Step 3: Cross multiply
    10,971,405.90x = 16,457,108.85 × 9,347,777.10
  4. Step 4: Simplify right side
    10,971,405.90x = 153,837,385,240,237.31
  5. Step 5: Solve for x
    x = 153,837,385,240,237.31/10,971,405.90
  6. Step 6: Final answer
    x = 14,021,665.65

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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.