Home / 8,634,312.45-12,950,288.91-2,569,980.15

Finding the Fourth Proportional to 8,634,312.45, 12,950,288.91 and 2,569,980.15

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Solution

The fourth proportional to 8,634,312.45, 12,950,288.91 and 2,569,980.15 is: 3,854,619.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634,312.45 : 12,950,288.91 = 2,569,980.15 : x
  2. Step 2: Convert to fraction form
    8,634,312.45/12,950,288.91 = 2,569,980.15/x
  3. Step 3: Cross multiply
    8,634,312.45x = 12,950,288.91 × 2,569,980.15
  4. Step 4: Simplify right side
    8,634,312.45x = 33,281,985,435,465.14
  5. Step 5: Solve for x
    x = 33,281,985,435,465.14/8,634,312.45
  6. Step 6: Final answer
    x = 3,854,619.07

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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.