Home / 10,930,420.60-16,395,630.90-6,395,457.40

Finding the Fourth Proportional to 10,930,420.60, 16,395,630.90 and 6,395,457.40

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Solution

The fourth proportional to 10,930,420.60, 16,395,630.90 and 6,395,457.40 is: 9,593,186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930,420.60 : 16,395,630.90 = 6,395,457.40 : x
  2. Step 2: Convert to fraction form
    10,930,420.60/16,395,630.90 = 6,395,457.40/x
  3. Step 3: Cross multiply
    10,930,420.60x = 16,395,630.90 × 6,395,457.40
  4. Step 4: Simplify right side
    10,930,420.60x = 104,857,558,967,073.67
  5. Step 5: Solve for x
    x = 104,857,558,967,073.67/10,930,420.60
  6. Step 6: Final answer
    x = 9,593,186.10

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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.