Home / 7,252,167.51-10,007,779.71-3,988,981.26

Finding the Fourth Proportional to 7,252,167.51, 10,007,779.71 and 3,988,981.26

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Solution

The fourth proportional to 7,252,167.51, 10,007,779.71 and 3,988,981.26 is: 5,504,677.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,252,167.51 : 10,007,779.71 = 3,988,981.26 : x
  2. Step 2: Convert to fraction form
    7,252,167.51/10,007,779.71 = 3,988,981.26/x
  3. Step 3: Cross multiply
    7,252,167.51x = 10,007,779.71 × 3,988,981.26
  4. Step 4: Simplify right side
    7,252,167.51x = 39,920,845,717,398.23
  5. Step 5: Solve for x
    x = 39,920,845,717,398.23/7,252,167.51
  6. Step 6: Final answer
    x = 5,504,677.83

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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.