Home / 10,656,009.80-15,984,014.70-8,388,528.20

Finding the Fourth Proportional to 10,656,009.80, 15,984,014.70 and 8,388,528.20

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Solution

The fourth proportional to 10,656,009.80, 15,984,014.70 and 8,388,528.20 is: 12,582,792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656,009.80 : 15,984,014.70 = 8,388,528.20 : x
  2. Step 2: Convert to fraction form
    10,656,009.80/15,984,014.70 = 8,388,528.20/x
  3. Step 3: Cross multiply
    10,656,009.80x = 15,984,014.70 × 8,388,528.20
  4. Step 4: Simplify right side
    10,656,009.80x = 134,082,358,060,164.53
  5. Step 5: Solve for x
    x = 134,082,358,060,164.53/10,656,009.80
  6. Step 6: Final answer
    x = 12,582,792.30

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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.