Home / 42,282,316.65-63,423,474.98-11,990,179.65

Finding the Fourth Proportional to 42,282,316.65, 63,423,474.98 and 11,990,179.65

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Solution

The fourth proportional to 42,282,316.65, 63,423,474.98 and 11,990,179.65 is: 17,985,269.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,282,316.65 : 63,423,474.98 = 11,990,179.65 : x
  2. Step 2: Convert to fraction form
    42,282,316.65/63,423,474.98 = 11,990,179.65/x
  3. Step 3: Cross multiply
    42,282,316.65x = 63,423,474.98 × 11,990,179.65
  4. Step 4: Simplify right side
    42,282,316.65x = 760,458,858,977,529.25
  5. Step 5: Solve for x
    x = 760,458,858,977,529.25/42,282,316.65
  6. Step 6: Final answer
    x = 17,985,269.48

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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.