Home / 8,205,288.51-12,308,457.67-3,156,599.01

Finding the Fourth Proportional to 8,205,288.51, 12,308,457.67 and 3,156,599.01

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Solution

The fourth proportional to 8,205,288.51, 12,308,457.67 and 3,156,599.01 is: 4,735,100.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205,288.51 : 12,308,457.67 = 3,156,599.01 : x
  2. Step 2: Convert to fraction form
    8,205,288.51/12,308,457.67 = 3,156,599.01/x
  3. Step 3: Cross multiply
    8,205,288.51x = 12,308,457.67 × 3,156,599.01
  4. Step 4: Simplify right side
    8,205,288.51x = 38,852,865,264,779.05
  5. Step 5: Solve for x
    x = 38,852,865,264,779.05/8,205,288.51
  6. Step 6: Final answer
    x = 4,735,100.44

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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.