Home / 31,779,828.15-47,670,185.11-9,060,725.40

Finding the Fourth Proportional to 31,779,828.15, 47,670,185.11 and 9,060,725.40

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Solution

The fourth proportional to 31,779,828.15, 47,670,185.11 and 9,060,725.40 is: 13,591,214.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,779,828.15 : 47,670,185.11 = 9,060,725.40 : x
  2. Step 2: Convert to fraction form
    31,779,828.15/47,670,185.11 = 9,060,725.40/x
  3. Step 3: Cross multiply
    31,779,828.15x = 47,670,185.11 × 9,060,725.40
  4. Step 4: Simplify right side
    31,779,828.15x = 431,926,457,026,227
  5. Step 5: Solve for x
    x = 431,926,457,026,227/31,779,828.15
  6. Step 6: Final answer
    x = 13,591,214.37

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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.