Home / 21,484,908.20-32,161,007.10-12,482,719.40

Finding the Fourth Proportional to 21,484,908.20, 32,161,007.10 and 12,482,719.40

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Solution

The fourth proportional to 21,484,908.20, 32,161,007.10 and 12,482,719.40 is: 18,685,526.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,484,908.20 : 32,161,007.10 = 12,482,719.40 : x
  2. Step 2: Convert to fraction form
    21,484,908.20/32,161,007.10 = 12,482,719.40/x
  3. Step 3: Cross multiply
    21,484,908.20x = 32,161,007.10 × 12,482,719.40
  4. Step 4: Simplify right side
    21,484,908.20x = 401,456,827,250,707.75
  5. Step 5: Solve for x
    x = 401,456,827,250,707.75/21,484,908.20
  6. Step 6: Final answer
    x = 18,685,526.77

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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.