Home / 21,548,384.61-29,737,398.80-11,759,459.36

Finding the Fourth Proportional to 21,548,384.61, 29,737,398.80 and 11,759,459.36

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Solution

The fourth proportional to 21,548,384.61, 29,737,398.80 and 11,759,459.36 is: 16,228,396.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,548,384.61 : 29,737,398.80 = 11,759,459.36 : x
  2. Step 2: Convert to fraction form
    21,548,384.61/29,737,398.80 = 11,759,459.36/x
  3. Step 3: Cross multiply
    21,548,384.61x = 29,737,398.80 × 11,759,459.36
  4. Step 4: Simplify right side
    21,548,384.61x = 349,695,732,453,228.50
  5. Step 5: Solve for x
    x = 349,695,732,453,228.50/21,548,384.61
  6. Step 6: Final answer
    x = 16,228,396.64

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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.