Home / 10,385,588.58-15,564,457.54-8,082,862.10

Finding the Fourth Proportional to 10,385,588.58, 15,564,457.54 and 8,082,862.10

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Solution

The fourth proportional to 10,385,588.58, 15,564,457.54 and 8,082,862.10 is: 12,113,455.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385,588.58 : 15,564,457.54 = 8,082,862.10 : x
  2. Step 2: Convert to fraction form
    10,385,588.58/15,564,457.54 = 8,082,862.10/x
  3. Step 3: Cross multiply
    10,385,588.58x = 15,564,457.54 × 8,082,862.10
  4. Step 4: Simplify right side
    10,385,588.58x = 125,805,363,957,125.22
  5. Step 5: Solve for x
    x = 125,805,363,957,125.22/10,385,588.58
  6. Step 6: Final answer
    x = 12,113,455.39

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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.