Home / 20,799,058.95-28,709,915.54-14,294,221.11

Finding the Fourth Proportional to 20,799,058.95, 28,709,915.54 and 14,294,221.11

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Solution

The fourth proportional to 20,799,058.95, 28,709,915.54 and 14,294,221.11 is: 19,730,983.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,799,058.95 : 28,709,915.54 = 14,294,221.11 : x
  2. Step 2: Convert to fraction form
    20,799,058.95/28,709,915.54 = 14,294,221.11/x
  3. Step 3: Cross multiply
    20,799,058.95x = 28,709,915.54 × 14,294,221.11
  4. Step 4: Simplify right side
    20,799,058.95x = 410,385,880,706,713.94
  5. Step 5: Solve for x
    x = 410,385,880,706,713.94/20,799,058.95
  6. Step 6: Final answer
    x = 19,730,983.10

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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.