Home / 21,919,153.60-32,878,052.70-10,412,903.80

Finding the Fourth Proportional to 21,919,153.60, 32,878,052.70 and 10,412,903.80

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Solution

The fourth proportional to 21,919,153.60, 32,878,052.70 and 10,412,903.80 is: 15,619,033.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,919,153.60 : 32,878,052.70 = 10,412,903.80 : x
  2. Step 2: Convert to fraction form
    21,919,153.60/32,878,052.70 = 10,412,903.80/x
  3. Step 3: Cross multiply
    21,919,153.60x = 32,878,052.70 × 10,412,903.80
  4. Step 4: Simplify right side
    21,919,153.60x = 342,355,999,896,430.25
  5. Step 5: Solve for x
    x = 342,355,999,896,430.25/21,919,153.60
  6. Step 6: Final answer
    x = 15,619,033.75

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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.