Home / 12,972,862.10-19,459,293.15-8,201,702.90

Finding the Fourth Proportional to 12,972,862.10, 19,459,293.15 and 8,201,702.90

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Solution

The fourth proportional to 12,972,862.10, 19,459,293.15 and 8,201,702.90 is: 12,302,554.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,972,862.10 : 19,459,293.15 = 8,201,702.90 : x
  2. Step 2: Convert to fraction form
    12,972,862.10/19,459,293.15 = 8,201,702.90/x
  3. Step 3: Cross multiply
    12,972,862.10x = 19,459,293.15 × 8,201,702.90
  4. Step 4: Simplify right side
    12,972,862.10x = 159,599,341,060,305.12
  5. Step 5: Solve for x
    x = 159,599,341,060,305.12/12,972,862.10
  6. Step 6: Final answer
    x = 12,302,554.35

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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.