Home / 13,248,206.51-18,284,461.31-7,447,466.03

Finding the Fourth Proportional to 13,248,206.51, 18,284,461.31 and 7,447,466.03

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Solution

The fourth proportional to 13,248,206.51, 18,284,461.31 and 7,447,466.03 is: 10,278,591.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248,206.51 : 18,284,461.31 = 7,447,466.03 : x
  2. Step 2: Convert to fraction form
    13,248,206.51/18,284,461.31 = 7,447,466.03/x
  3. Step 3: Cross multiply
    13,248,206.51x = 18,284,461.31 × 7,447,466.03
  4. Step 4: Simplify right side
    13,248,206.51x = 136,172,904,547,404.11
  5. Step 5: Solve for x
    x = 136,172,904,547,404.11/13,248,206.51
  6. Step 6: Final answer
    x = 10,278,591.63

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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.