Home / 7,051,320.80-10,576,981.20-6,432,005.60

Finding the Fourth Proportional to 7,051,320.80, 10,576,981.20 and 6,432,005.60

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Solution

The fourth proportional to 7,051,320.80, 10,576,981.20 and 6,432,005.60 is: 9,648,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051,320.80 : 10,576,981.20 = 6,432,005.60 : x
  2. Step 2: Convert to fraction form
    7,051,320.80/10,576,981.20 = 6,432,005.60/x
  3. Step 3: Cross multiply
    7,051,320.80x = 10,576,981.20 × 6,432,005.60
  4. Step 4: Simplify right side
    7,051,320.80x = 68,031,202,309,494.71
  5. Step 5: Solve for x
    x = 68,031,202,309,494.71/7,051,320.80
  6. Step 6: Final answer
    x = 9,648,008.40

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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.