Home / 42,678,984.80-58,896,994.64-23,099,869.74

Finding the Fourth Proportional to 42,678,984.80, 58,896,994.64 and 23,099,869.74

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Solution

The fourth proportional to 42,678,984.80, 58,896,994.64 and 23,099,869.74 is: 31,877,817.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,678,984.80 : 58,896,994.64 = 23,099,869.74 : x
  2. Step 2: Convert to fraction form
    42,678,984.80/58,896,994.64 = 23,099,869.74/x
  3. Step 3: Cross multiply
    42,678,984.80x = 58,896,994.64 × 23,099,869.74
  4. Step 4: Simplify right side
    42,678,984.80x = 1,360,512,904,261,478
  5. Step 5: Solve for x
    x = 1,360,512,904,261,478/42,678,984.80
  6. Step 6: Final answer
    x = 31,877,817.87

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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.