Home / 21,064,977.92-31,603,518.96-8,766,547.04

Finding the Fourth Proportional to 21,064,977.92, 31,603,518.96 and 8,766,547.04

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Solution

The fourth proportional to 21,064,977.92, 31,603,518.96 and 8,766,547.04 is: 13,152,339.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,064,977.92 : 31,603,518.96 = 8,766,547.04 : x
  2. Step 2: Convert to fraction form
    21,064,977.92/31,603,518.96 = 8,766,547.04/x
  3. Step 3: Cross multiply
    21,064,977.92x = 31,603,518.96 × 8,766,547.04
  4. Step 4: Simplify right side
    21,064,977.92x = 277,053,735,592,371.84
  5. Step 5: Solve for x
    x = 277,053,735,592,371.84/21,064,977.92
  6. Step 6: Final answer
    x = 13,152,339.24

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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.