Home / 19,927,363.80-29,891,045.70-12,747,005.40

Finding the Fourth Proportional to 19,927,363.80, 29,891,045.70 and 12,747,005.40

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Solution

The fourth proportional to 19,927,363.80, 29,891,045.70 and 12,747,005.40 is: 19,120,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927,363.80 : 29,891,045.70 = 12,747,005.40 : x
  2. Step 2: Convert to fraction form
    19,927,363.80/29,891,045.70 = 12,747,005.40/x
  3. Step 3: Cross multiply
    19,927,363.80x = 29,891,045.70 × 12,747,005.40
  4. Step 4: Simplify right side
    19,927,363.80x = 381,021,320,949,546.81
  5. Step 5: Solve for x
    x = 381,021,320,949,546.81/19,927,363.80
  6. Step 6: Final answer
    x = 19,120,508.10

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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.