Home / 10,501,547.21-15,752,163.78-6,404,072.10

Finding the Fourth Proportional to 10,501,547.21, 15,752,163.78 and 6,404,072.10

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Solution

The fourth proportional to 10,501,547.21, 15,752,163.78 and 6,404,072.10 is: 9,606,012.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,501,547.21 : 15,752,163.78 = 6,404,072.10 : x
  2. Step 2: Convert to fraction form
    10,501,547.21/15,752,163.78 = 6,404,072.10/x
  3. Step 3: Cross multiply
    10,501,547.21x = 15,752,163.78 × 6,404,072.10
  4. Step 4: Simplify right side
    10,501,547.21x = 100,877,992,578,128.53
  5. Step 5: Solve for x
    x = 100,877,992,578,128.53/10,501,547.21
  6. Step 6: Final answer
    x = 9,606,012.38

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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.