Home / 8,130,607.20-12,188,134.80-3,011,666.40

Finding the Fourth Proportional to 8,130,607.20, 12,188,134.80 and 3,011,666.40

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Solution

The fourth proportional to 8,130,607.20, 12,188,134.80 and 3,011,666.40 is: 4,514,619.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130,607.20 : 12,188,134.80 = 3,011,666.40 : x
  2. Step 2: Convert to fraction form
    8,130,607.20/12,188,134.80 = 3,011,666.40/x
  3. Step 3: Cross multiply
    8,130,607.20x = 12,188,134.80 × 3,011,666.40
  4. Step 4: Simplify right side
    8,130,607.20x = 36,706,596,055,830.72
  5. Step 5: Solve for x
    x = 36,706,596,055,830.72/8,130,607.20
  6. Step 6: Final answer
    x = 4,514,619.28

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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.