Home / 18,686,656.20-28,029,984.30-6,569,801.40

Finding the Fourth Proportional to 18,686,656.20, 28,029,984.30 and 6,569,801.40

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Solution

The fourth proportional to 18,686,656.20, 28,029,984.30 and 6,569,801.40 is: 9,854,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686,656.20 : 28,029,984.30 = 6,569,801.40 : x
  2. Step 2: Convert to fraction form
    18,686,656.20/28,029,984.30 = 6,569,801.40/x
  3. Step 3: Cross multiply
    18,686,656.20x = 28,029,984.30 × 6,569,801.40
  4. Step 4: Simplify right side
    18,686,656.20x = 184,151,430,096,118.03
  5. Step 5: Solve for x
    x = 184,151,430,096,118.03/18,686,656.20
  6. Step 6: Final answer
    x = 9,854,702.10

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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.