Home / 25,653,969.81-35,402,040.77-13,893,142.65

Finding the Fourth Proportional to 25,653,969.81, 35,402,040.77 and 13,893,142.65

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Solution

The fourth proportional to 25,653,969.81, 35,402,040.77 and 13,893,142.65 is: 19,172,299.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,653,969.81 : 35,402,040.77 = 13,893,142.65 : x
  2. Step 2: Convert to fraction form
    25,653,969.81/35,402,040.77 = 13,893,142.65/x
  3. Step 3: Cross multiply
    25,653,969.81x = 35,402,040.77 × 13,893,142.65
  4. Step 4: Simplify right side
    25,653,969.81x = 491,845,602,316,502.50
  5. Step 5: Solve for x
    x = 491,845,602,316,502.50/25,653,969.81
  6. Step 6: Final answer
    x = 19,172,299.88

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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.