Home / 28,908,011.80-43,325,276.10-11,849,411.80

Finding the Fourth Proportional to 28,908,011.80, 43,325,276.10 and 11,849,411.80

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Solution

The fourth proportional to 28,908,011.80, 43,325,276.10 and 11,849,411.80 is: 17,759,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,908,011.80 : 43,325,276.10 = 11,849,411.80 : x
  2. Step 2: Convert to fraction form
    28,908,011.80/43,325,276.10 = 11,849,411.80/x
  3. Step 3: Cross multiply
    28,908,011.80x = 43,325,276.10 × 11,849,411.80
  4. Step 4: Simplify right side
    28,908,011.80x = 513,379,037,857,598
  5. Step 5: Solve for x
    x = 513,379,037,857,598/28,908,011.80
  6. Step 6: Final answer
    x = 17,759,057.30

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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.