Home / 13,069,205.10-19,603,807.65-8,298,045.90

Finding the Fourth Proportional to 13,069,205.10, 19,603,807.65 and 8,298,045.90

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Solution

The fourth proportional to 13,069,205.10, 19,603,807.65 and 8,298,045.90 is: 12,447,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069,205.10 : 19,603,807.65 = 8,298,045.90 : x
  2. Step 2: Convert to fraction form
    13,069,205.10/19,603,807.65 = 8,298,045.90/x
  3. Step 3: Cross multiply
    13,069,205.10x = 19,603,807.65 × 8,298,045.90
  4. Step 4: Simplify right side
    13,069,205.10x = 162,673,295,694,471.12
  5. Step 5: Solve for x
    x = 162,673,295,694,471.12/13,069,205.10
  6. Step 6: Final answer
    x = 12,447,068.85

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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.