Home / 15,710,884.80-21,679,116.18-8,739,914.52

Finding the Fourth Proportional to 15,710,884.80, 21,679,116.18 and 8,739,914.52

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Solution

The fourth proportional to 15,710,884.80, 21,679,116.18 and 8,739,914.52 is: 12,060,022.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,710,884.80 : 21,679,116.18 = 8,739,914.52 : x
  2. Step 2: Convert to fraction form
    15,710,884.80/21,679,116.18 = 8,739,914.52/x
  3. Step 3: Cross multiply
    15,710,884.80x = 21,679,116.18 × 8,739,914.52
  4. Step 4: Simplify right side
    15,710,884.80x = 189,473,622,282,348.91
  5. Step 5: Solve for x
    x = 189,473,622,282,348.91/15,710,884.80
  6. Step 6: Final answer
    x = 12,060,022.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.