Home / 10,700,503.28-16,041,307.08-8,187,377.84

Finding the Fourth Proportional to 10,700,503.28, 16,041,307.08 and 8,187,377.84

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Solution

The fourth proportional to 10,700,503.28, 16,041,307.08 and 8,187,377.84 is: 12,273,837.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,700,503.28 : 16,041,307.08 = 8,187,377.84 : x
  2. Step 2: Convert to fraction form
    10,700,503.28/16,041,307.08 = 8,187,377.84/x
  3. Step 3: Cross multiply
    10,700,503.28x = 16,041,307.08 × 8,187,377.84
  4. Step 4: Simplify right side
    10,700,503.28x = 131,336,242,111,427.11
  5. Step 5: Solve for x
    x = 131,336,242,111,427.11/10,700,503.28
  6. Step 6: Final answer
    x = 12,273,837.84

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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.