Home / 13,001,750.80-19,502,626.20-6,624,458.80

Finding the Fourth Proportional to 13,001,750.80, 19,502,626.20 and 6,624,458.80

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Solution

The fourth proportional to 13,001,750.80, 19,502,626.20 and 6,624,458.80 is: 9,936,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001,750.80 : 19,502,626.20 = 6,624,458.80 : x
  2. Step 2: Convert to fraction form
    13,001,750.80/19,502,626.20 = 6,624,458.80/x
  3. Step 3: Cross multiply
    13,001,750.80x = 19,502,626.20 × 6,624,458.80
  4. Step 4: Simplify right side
    13,001,750.80x = 129,194,343,753,700.55
  5. Step 5: Solve for x
    x = 129,194,343,753,700.55/13,001,750.80
  6. Step 6: Final answer
    x = 9,936,688.20

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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.