Home / 12,973,029.10-19,459,543.65-8,201,869.90

Finding the Fourth Proportional to 12,973,029.10, 19,459,543.65 and 8,201,869.90

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Solution

The fourth proportional to 12,973,029.10, 19,459,543.65 and 8,201,869.90 is: 12,302,804.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,973,029.10 : 19,459,543.65 = 8,201,869.90 : x
  2. Step 2: Convert to fraction form
    12,973,029.10/19,459,543.65 = 8,201,869.90/x
  3. Step 3: Cross multiply
    12,973,029.10x = 19,459,543.65 × 8,201,869.90
  4. Step 4: Simplify right side
    12,973,029.10x = 159,604,645,330,671.12
  5. Step 5: Solve for x
    x = 159,604,645,330,671.12/12,973,029.10
  6. Step 6: Final answer
    x = 12,302,804.85

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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.