Home / 55,328,011.98-82,996,004.28-21,249,357.84

Finding the Fourth Proportional to 55,328,011.98, 82,996,004.28 and 21,249,357.84

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Solution

The fourth proportional to 55,328,011.98, 82,996,004.28 and 21,249,357.84 is: 31,875,567.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,328,011.98 : 82,996,004.28 = 21,249,357.84 : x
  2. Step 2: Convert to fraction form
    55,328,011.98/82,996,004.28 = 21,249,357.84/x
  3. Step 3: Cross multiply
    55,328,011.98x = 82,996,004.28 × 21,249,357.84
  4. Step 4: Simplify right side
    55,328,011.98x = 1,763,611,794,235,891.50
  5. Step 5: Solve for x
    x = 1,763,611,794,235,891.50/55,328,011.98
  6. Step 6: Final answer
    x = 31,875,567.75

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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.