Home / 14,317,492-19,758,142.20-7,878,964

Finding the Fourth Proportional to 14,317,492, 19,758,142.20 and 7,878,964

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Solution

The fourth proportional to 14,317,492, 19,758,142.20 and 7,878,964 is: 10,872,972.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,317,492 : 19,758,142.20 = 7,878,964 : x
  2. Step 2: Convert to fraction form
    14,317,492/19,758,142.20 = 7,878,964/x
  3. Step 3: Cross multiply
    14,317,492x = 19,758,142.20 × 7,878,964
  4. Step 4: Simplify right side
    14,317,492x = 155,673,691,100,680.78
  5. Step 5: Solve for x
    x = 155,673,691,100,680.78/14,317,492
  6. Step 6: Final answer
    x = 10,872,972.10

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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.