Home / 18,960,983.79-26,165,971.35-10,258,965.47

Finding the Fourth Proportional to 18,960,983.79, 26,165,971.35 and 10,258,965.47

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Solution

The fourth proportional to 18,960,983.79, 26,165,971.35 and 10,258,965.47 is: 14,157,271.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,960,983.79 : 26,165,971.35 = 10,258,965.47 : x
  2. Step 2: Convert to fraction form
    18,960,983.79/26,165,971.35 = 10,258,965.47/x
  3. Step 3: Cross multiply
    18,960,983.79x = 26,165,971.35 × 10,258,965.47
  4. Step 4: Simplify right side
    18,960,983.79x = 268,435,796,444,889.50
  5. Step 5: Solve for x
    x = 268,435,796,444,889.50/18,960,983.79
  6. Step 6: Final answer
    x = 14,157,271.55

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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.