Home / 21,492,079.80-32,238,119.70-13,839,329.40

Finding the Fourth Proportional to 21,492,079.80, 32,238,119.70 and 13,839,329.40

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Solution

The fourth proportional to 21,492,079.80, 32,238,119.70 and 13,839,329.40 is: 20,758,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,492,079.80 : 32,238,119.70 = 13,839,329.40 : x
  2. Step 2: Convert to fraction form
    21,492,079.80/32,238,119.70 = 13,839,329.40/x
  3. Step 3: Cross multiply
    21,492,079.80x = 32,238,119.70 × 13,839,329.40
  4. Step 4: Simplify right side
    21,492,079.80x = 446,153,957,764,929.19
  5. Step 5: Solve for x
    x = 446,153,957,764,929.19/21,492,079.80
  6. Step 6: Final answer
    x = 20,758,994.10

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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.