Home / 8,559,820.80-12,821,068.80-7,066,828.80

Finding the Fourth Proportional to 8,559,820.80, 12,821,068.80 and 7,066,828.80

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Solution

The fourth proportional to 8,559,820.80, 12,821,068.80 and 7,066,828.80 is: 10,584,835.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,559,820.80 : 12,821,068.80 = 7,066,828.80 : x
  2. Step 2: Convert to fraction form
    8,559,820.80/12,821,068.80 = 7,066,828.80/x
  3. Step 3: Cross multiply
    8,559,820.80x = 12,821,068.80 × 7,066,828.80
  4. Step 4: Simplify right side
    8,559,820.80x = 90,604,298,242,621.44
  5. Step 5: Solve for x
    x = 90,604,298,242,621.44/8,559,820.80
  6. Step 6: Final answer
    x = 10,584,835.87

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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.