Home / 12,208,269.70-18,312,404.55-9,382,644.10

Finding the Fourth Proportional to 12,208,269.70, 18,312,404.55 and 9,382,644.10

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Solution

The fourth proportional to 12,208,269.70, 18,312,404.55 and 9,382,644.10 is: 14,073,966.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208,269.70 : 18,312,404.55 = 9,382,644.10 : x
  2. Step 2: Convert to fraction form
    12,208,269.70/18,312,404.55 = 9,382,644.10/x
  3. Step 3: Cross multiply
    12,208,269.70x = 18,312,404.55 × 9,382,644.10
  4. Step 4: Simplify right side
    12,208,269.70x = 171,818,774,507,870.66
  5. Step 5: Solve for x
    x = 171,818,774,507,870.66/12,208,269.70
  6. Step 6: Final answer
    x = 14,073,966.15

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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.