Home / 15,889,775.06-21,926,108.48-9,362,979.74

Finding the Fourth Proportional to 15,889,775.06, 21,926,108.48 and 9,362,979.74

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Solution

The fourth proportional to 15,889,775.06, 21,926,108.48 and 9,362,979.74 is: 12,919,862.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,889,775.06 : 21,926,108.48 = 9,362,979.74 : x
  2. Step 2: Convert to fraction form
    15,889,775.06/21,926,108.48 = 9,362,979.74/x
  3. Step 3: Cross multiply
    15,889,775.06x = 21,926,108.48 × 9,362,979.74
  4. Step 4: Simplify right side
    15,889,775.06x = 205,293,709,475,282.22
  5. Step 5: Solve for x
    x = 205,293,709,475,282.22/15,889,775.06
  6. Step 6: Final answer
    x = 12,919,862.53

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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.