Home / 12,387,832.20-18,564,033.60-8,596,886.40

Finding the Fourth Proportional to 12,387,832.20, 18,564,033.60 and 8,596,886.40

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Solution

The fourth proportional to 12,387,832.20, 18,564,033.60 and 8,596,886.40 is: 12,883,035.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,387,832.20 : 18,564,033.60 = 8,596,886.40 : x
  2. Step 2: Convert to fraction form
    12,387,832.20/18,564,033.60 = 8,596,886.40/x
  3. Step 3: Cross multiply
    12,387,832.20x = 18,564,033.60 × 8,596,886.40
  4. Step 4: Simplify right side
    12,387,832.20x = 159,592,887,984,983.06
  5. Step 5: Solve for x
    x = 159,592,887,984,983.06/12,387,832.20
  6. Step 6: Final answer
    x = 12,883,035.98

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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.