Home / 21,475,588.32-29,637,587.52-12,308,823.36

Finding the Fourth Proportional to 21,475,588.32, 29,637,587.52 and 12,308,823.36

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Solution

The fourth proportional to 21,475,588.32, 29,637,587.52 and 12,308,823.36 is: 16,986,907.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,475,588.32 : 29,637,587.52 = 12,308,823.36 : x
  2. Step 2: Convert to fraction form
    21,475,588.32/29,637,587.52 = 12,308,823.36/x
  3. Step 3: Cross multiply
    21,475,588.32x = 29,637,587.52 × 12,308,823.36
  4. Step 4: Simplify right side
    21,475,588.32x = 364,803,829,600,220.44
  5. Step 5: Solve for x
    x = 364,803,829,600,220.44/21,475,588.32
  6. Step 6: Final answer
    x = 16,986,907.37

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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.