Home / 12,060,988.80-18,091,483.20-11,501,116.80

Finding the Fourth Proportional to 12,060,988.80, 18,091,483.20 and 11,501,116.80

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Solution

The fourth proportional to 12,060,988.80, 18,091,483.20 and 11,501,116.80 is: 17,251,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060,988.80 : 18,091,483.20 = 11,501,116.80 : x
  2. Step 2: Convert to fraction form
    12,060,988.80/18,091,483.20 = 11,501,116.80/x
  3. Step 3: Cross multiply
    12,060,988.80x = 18,091,483.20 × 11,501,116.80
  4. Step 4: Simplify right side
    12,060,988.80x = 208,072,261,368,437.75
  5. Step 5: Solve for x
    x = 208,072,261,368,437.75/12,060,988.80
  6. Step 6: Final answer
    x = 17,251,675.20

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1.5x scale

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.