Home / 21,064,511.80-31,596,767.70-5,918,443.30

Finding the Fourth Proportional to 21,064,511.80, 31,596,767.70 and 5,918,443.30

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Solution

The fourth proportional to 21,064,511.80, 31,596,767.70 and 5,918,443.30 is: 8,877,664.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,064,511.80 : 31,596,767.70 = 5,918,443.30 : x
  2. Step 2: Convert to fraction form
    21,064,511.80/31,596,767.70 = 5,918,443.30/x
  3. Step 3: Cross multiply
    21,064,511.80x = 31,596,767.70 × 5,918,443.30
  4. Step 4: Simplify right side
    21,064,511.80x = 187,003,678,095,721.41
  5. Step 5: Solve for x
    x = 187,003,678,095,721.41/21,064,511.80
  6. Step 6: Final answer
    x = 8,877,664.95

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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.