Home / 11,409,627.80-15,740,338.06-7,547,538.89

Finding the Fourth Proportional to 11,409,627.80, 15,740,338.06 and 7,547,538.89

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Solution

The fourth proportional to 11,409,627.80, 15,740,338.06 and 7,547,538.89 is: 10,412,330.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,409,627.80 : 15,740,338.06 = 7,547,538.89 : x
  2. Step 2: Convert to fraction form
    11,409,627.80/15,740,338.06 = 7,547,538.89/x
  3. Step 3: Cross multiply
    11,409,627.80x = 15,740,338.06 × 7,547,538.89
  4. Step 4: Simplify right side
    11,409,627.80x = 118,800,813,698,382.42
  5. Step 5: Solve for x
    x = 118,800,813,698,382.42/11,409,627.80
  6. Step 6: Final answer
    x = 10,412,330.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.