Home / 21,313,655.47-29,406,130.21-13,045,097.82

Finding the Fourth Proportional to 21,313,655.47, 29,406,130.21 and 13,045,097.82

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Solution

The fourth proportional to 21,313,655.47, 29,406,130.21 and 13,045,097.82 is: 17,998,125.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,313,655.47 : 29,406,130.21 = 13,045,097.82 : x
  2. Step 2: Convert to fraction form
    21,313,655.47/29,406,130.21 = 13,045,097.82/x
  3. Step 3: Cross multiply
    21,313,655.47x = 29,406,130.21 × 13,045,097.82
  4. Step 4: Simplify right side
    21,313,655.47x = 383,605,845,097,107.19
  5. Step 5: Solve for x
    x = 383,605,845,097,107.19/21,313,655.47
  6. Step 6: Final answer
    x = 17,998,125.46

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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.