Home / 8,589,143.90-12,883,379.28-2,909,368.01

Finding the Fourth Proportional to 8,589,143.90, 12,883,379.28 and 2,909,368.01

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Solution

The fourth proportional to 8,589,143.90, 12,883,379.28 and 2,909,368.01 is: 4,363,938.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589,143.90 : 12,883,379.28 = 2,909,368.01 : x
  2. Step 2: Convert to fraction form
    8,589,143.90/12,883,379.28 = 2,909,368.01/x
  3. Step 3: Cross multiply
    8,589,143.90x = 12,883,379.28 × 2,909,368.01
  4. Step 4: Simplify right side
    8,589,143.90x = 37,482,491,473,511.93
  5. Step 5: Solve for x
    x = 37,482,491,473,511.93/8,589,143.90
  6. Step 6: Final answer
    x = 4,363,938.00

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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.