Home / 15,781,495.04-21,793,504.28-14,921,729.30

Finding the Fourth Proportional to 15,781,495.04, 21,793,504.28 and 14,921,729.30

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Solution

The fourth proportional to 15,781,495.04, 21,793,504.28 and 14,921,729.30 is: 20,606,208.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781,495.04 : 21,793,504.28 = 14,921,729.30 : x
  2. Step 2: Convert to fraction form
    15,781,495.04/21,793,504.28 = 14,921,729.30/x
  3. Step 3: Cross multiply
    15,781,495.04x = 21,793,504.28 × 14,921,729.30
  4. Step 4: Simplify right side
    15,781,495.04x = 325,196,771,364,551.44
  5. Step 5: Solve for x
    x = 325,196,771,364,551.44/15,781,495.04
  6. Step 6: Final answer
    x = 20,606,208.13

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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.