Home / 8,905,401-12,289,457.16-5,037,840

Finding the Fourth Proportional to 8,905,401, 12,289,457.16 and 5,037,840

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Solution

The fourth proportional to 8,905,401, 12,289,457.16 and 5,037,840 is: 6,952,221.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905,401 : 12,289,457.16 = 5,037,840 : x
  2. Step 2: Convert to fraction form
    8,905,401/12,289,457.16 = 5,037,840/x
  3. Step 3: Cross multiply
    8,905,401x = 12,289,457.16 × 5,037,840
  4. Step 4: Simplify right side
    8,905,401x = 61,912,318,858,934.40
  5. Step 5: Solve for x
    x = 61,912,318,858,934.40/8,905,401
  6. Step 6: Final answer
    x = 6,952,221.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.