Home / 20,597,918.40-30,896,877.60-12,094,862.40

Finding the Fourth Proportional to 20,597,918.40, 30,896,877.60 and 12,094,862.40

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Solution

The fourth proportional to 20,597,918.40, 30,896,877.60 and 12,094,862.40 is: 18,142,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,597,918.40 : 30,896,877.60 = 12,094,862.40 : x
  2. Step 2: Convert to fraction form
    20,597,918.40/30,896,877.60 = 12,094,862.40/x
  3. Step 3: Cross multiply
    20,597,918.40x = 30,896,877.60 × 12,094,862.40
  4. Step 4: Simplify right side
    20,597,918.40x = 373,693,483,161,642.25
  5. Step 5: Solve for x
    x = 373,693,483,161,642.25/20,597,918.40
  6. Step 6: Final answer
    x = 18,142,293.60

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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.