Home / 21,068,109.70-31,602,164.56-5,922,041.20

Finding the Fourth Proportional to 21,068,109.70, 31,602,164.56 and 5,922,041.20

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Solution

The fourth proportional to 21,068,109.70, 31,602,164.56 and 5,922,041.20 is: 8,883,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,068,109.70 : 31,602,164.56 = 5,922,041.20 : x
  2. Step 2: Convert to fraction form
    21,068,109.70/31,602,164.56 = 5,922,041.20/x
  3. Step 3: Cross multiply
    21,068,109.70x = 31,602,164.56 × 5,922,041.20
  4. Step 4: Simplify right side
    21,068,109.70x = 187,149,320,439,689.34
  5. Step 5: Solve for x
    x = 187,149,320,439,689.34/21,068,109.70
  6. Step 6: Final answer
    x = 8,883,061.80

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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.