Home / 21,475,564.32-29,637,554.40-12,308,799.36

Finding the Fourth Proportional to 21,475,564.32, 29,637,554.40 and 12,308,799.36

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Solution

The fourth proportional to 21,475,564.32, 29,637,554.40 and 12,308,799.36 is: 16,986,874.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,475,564.32 : 29,637,554.40 = 12,308,799.36 : x
  2. Step 2: Convert to fraction form
    21,475,564.32/29,637,554.40 = 12,308,799.36/x
  3. Step 3: Cross multiply
    21,475,564.32x = 29,637,554.40 × 12,308,799.36
  4. Step 4: Simplify right side
    21,475,564.32x = 364,802,710,630,685.12
  5. Step 5: Solve for x
    x = 364,802,710,630,685.12/21,475,564.32
  6. Step 6: Final answer
    x = 16,986,874.25

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