Home / 12,769,061.40-19,153,592.10-12,013,234.20

Finding the Fourth Proportional to 12,769,061.40, 19,153,592.10 and 12,013,234.20

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Solution

The fourth proportional to 12,769,061.40, 19,153,592.10 and 12,013,234.20 is: 18,019,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769,061.40 : 19,153,592.10 = 12,013,234.20 : x
  2. Step 2: Convert to fraction form
    12,769,061.40/19,153,592.10 = 12,013,234.20/x
  3. Step 3: Cross multiply
    12,769,061.40x = 19,153,592.10 × 12,013,234.20
  4. Step 4: Simplify right side
    12,769,061.40x = 230,096,587,668,569.81
  5. Step 5: Solve for x
    x = 230,096,587,668,569.81/12,769,061.40
  6. Step 6: Final answer
    x = 18,019,851.30

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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.