Home / 20,045,341.88-27,662,589.51-10,877,984.63

Finding the Fourth Proportional to 20,045,341.88, 27,662,589.51 and 10,877,984.63

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Solution

The fourth proportional to 20,045,341.88, 27,662,589.51 and 10,877,984.63 is: 15,011,628.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045,341.88 : 27,662,589.51 = 10,877,984.63 : x
  2. Step 2: Convert to fraction form
    20,045,341.88/27,662,589.51 = 10,877,984.63/x
  3. Step 3: Cross multiply
    20,045,341.88x = 27,662,589.51 × 10,877,984.63
  4. Step 4: Simplify right side
    20,045,341.88x = 300,913,223,377,466.31
  5. Step 5: Solve for x
    x = 300,913,223,377,466.31/20,045,341.88
  6. Step 6: Final answer
    x = 15,011,628.40

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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.