Home / 21,249,023.41-31,869,969.09-5,897,872.63

Finding the Fourth Proportional to 21,249,023.41, 31,869,969.09 and 5,897,872.63

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Solution

The fourth proportional to 21,249,023.41, 31,869,969.09 and 5,897,872.63 is: 8,845,819.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,249,023.41 : 31,869,969.09 = 5,897,872.63 : x
  2. Step 2: Convert to fraction form
    21,249,023.41/31,869,969.09 = 5,897,872.63/x
  3. Step 3: Cross multiply
    21,249,023.41x = 31,869,969.09 × 5,897,872.63
  4. Step 4: Simplify right side
    21,249,023.41x = 187,965,018,414,857
  5. Step 5: Solve for x
    x = 187,965,018,414,857/21,249,023.41
  6. Step 6: Final answer
    x = 8,845,819.16

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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.