Home / 20,160,044.10-30,240,066.15-6,696,872.10

Finding the Fourth Proportional to 20,160,044.10, 30,240,066.15 and 6,696,872.10

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Solution

The fourth proportional to 20,160,044.10, 30,240,066.15 and 6,696,872.10 is: 10,045,308.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,044.10 : 30,240,066.15 = 6,696,872.10 : x
  2. Step 2: Convert to fraction form
    20,160,044.10/30,240,066.15 = 6,696,872.10/x
  3. Step 3: Cross multiply
    20,160,044.10x = 30,240,066.15 × 6,696,872.10
  4. Step 4: Simplify right side
    20,160,044.10x = 202,513,855,302,089.41
  5. Step 5: Solve for x
    x = 202,513,855,302,089.41/20,160,044.10
  6. Step 6: Final answer
    x = 10,045,308.15

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1.5x scale

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.