Home / 15,800,130.84-21,805,953.84-8,925,055.78

Finding the Fourth Proportional to 15,800,130.84, 21,805,953.84 and 8,925,055.78

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Solution

The fourth proportional to 15,800,130.84, 21,805,953.84 and 8,925,055.78 is: 12,317,578.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,800,130.84 : 21,805,953.84 = 8,925,055.78 : x
  2. Step 2: Convert to fraction form
    15,800,130.84/21,805,953.84 = 8,925,055.78/x
  3. Step 3: Cross multiply
    15,800,130.84x = 21,805,953.84 × 8,925,055.78
  4. Step 4: Simplify right side
    15,800,130.84x = 194,619,354,358,105.19
  5. Step 5: Solve for x
    x = 194,619,354,358,105.19/15,800,130.84
  6. Step 6: Final answer
    x = 12,317,578.65

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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.