Home / 25,812,036.30-38,718,054.45-18,085,802.70

Finding the Fourth Proportional to 25,812,036.30, 38,718,054.45 and 18,085,802.70

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Solution

The fourth proportional to 25,812,036.30, 38,718,054.45 and 18,085,802.70 is: 27,128,704.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,812,036.30 : 38,718,054.45 = 18,085,802.70 : x
  2. Step 2: Convert to fraction form
    25,812,036.30/38,718,054.45 = 18,085,802.70/x
  3. Step 3: Cross multiply
    25,812,036.30x = 38,718,054.45 × 18,085,802.70
  4. Step 4: Simplify right side
    25,812,036.30x = 700,247,093,710,557
  5. Step 5: Solve for x
    x = 700,247,093,710,557/25,812,036.30
  6. Step 6: Final answer
    x = 27,128,704.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.