Home / 9,903,432.88-13,666,053.09-5,492,742.31

Finding the Fourth Proportional to 9,903,432.88, 13,666,053.09 and 5,492,742.31

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Solution

The fourth proportional to 9,903,432.88, 13,666,053.09 and 5,492,742.31 is: 7,579,604.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,903,432.88 : 13,666,053.09 = 5,492,742.31 : x
  2. Step 2: Convert to fraction form
    9,903,432.88/13,666,053.09 = 5,492,742.31/x
  3. Step 3: Cross multiply
    9,903,432.88x = 13,666,053.09 × 5,492,742.31
  4. Step 4: Simplify right side
    9,903,432.88x = 75,064,108,018,149.23
  5. Step 5: Solve for x
    x = 75,064,108,018,149.23/9,903,432.88
  6. Step 6: Final answer
    x = 7,579,604.86

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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.