Home / 10,890,633.20-16,312,330.20-9,001,065.20

Finding the Fourth Proportional to 10,890,633.20, 16,312,330.20 and 9,001,065.20

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Solution

The fourth proportional to 10,890,633.20, 16,312,330.20 and 9,001,065.20 is: 13,482,076.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,633.20 : 16,312,330.20 = 9,001,065.20 : x
  2. Step 2: Convert to fraction form
    10,890,633.20/16,312,330.20 = 9,001,065.20/x
  3. Step 3: Cross multiply
    10,890,633.20x = 16,312,330.20 × 9,001,065.20
  4. Step 4: Simplify right side
    10,890,633.20x = 146,828,347,694,129.03
  5. Step 5: Solve for x
    x = 146,828,347,694,129.03/10,890,633.20
  6. Step 6: Final answer
    x = 13,482,076.29

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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.