Home / 28,071,773.72-38,736,885.66-15,849,837.08

Finding the Fourth Proportional to 28,071,773.72, 38,736,885.66 and 15,849,837.08

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Solution

The fourth proportional to 28,071,773.72, 38,736,885.66 and 15,849,837.08 is: 21,871,554.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,071,773.72 : 38,736,885.66 = 15,849,837.08 : x
  2. Step 2: Convert to fraction form
    28,071,773.72/38,736,885.66 = 15,849,837.08/x
  3. Step 3: Cross multiply
    28,071,773.72x = 38,736,885.66 × 15,849,837.08
  4. Step 4: Simplify right side
    28,071,773.72x = 613,973,326,697,588.25
  5. Step 5: Solve for x
    x = 613,973,326,697,588.25/28,071,773.72
  6. Step 6: Final answer
    x = 21,871,554.42

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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.