Home / 28,971,312.80-43,456,969.20-8,776,554.80

Finding the Fourth Proportional to 28,971,312.80, 43,456,969.20 and 8,776,554.80

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Solution

The fourth proportional to 28,971,312.80, 43,456,969.20 and 8,776,554.80 is: 13,164,832.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,971,312.80 : 43,456,969.20 = 8,776,554.80 : x
  2. Step 2: Convert to fraction form
    28,971,312.80/43,456,969.20 = 8,776,554.80/x
  3. Step 3: Cross multiply
    28,971,312.80x = 43,456,969.20 × 8,776,554.80
  4. Step 4: Simplify right side
    28,971,312.80x = 381,402,471,625,712.19
  5. Step 5: Solve for x
    x = 381,402,471,625,712.19/28,971,312.80
  6. Step 6: Final answer
    x = 13,164,832.20

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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.