Home / 20,348,683.80-30,523,025.70-7,566,543.60

Finding the Fourth Proportional to 20,348,683.80, 30,523,025.70 and 7,566,543.60

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Solution

The fourth proportional to 20,348,683.80, 30,523,025.70 and 7,566,543.60 is: 11,349,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348,683.80 : 30,523,025.70 = 7,566,543.60 : x
  2. Step 2: Convert to fraction form
    20,348,683.80/30,523,025.70 = 7,566,543.60/x
  3. Step 3: Cross multiply
    20,348,683.80x = 30,523,025.70 × 7,566,543.60
  4. Step 4: Simplify right side
    20,348,683.80x = 230,953,804,762,970.50
  5. Step 5: Solve for x
    x = 230,953,804,762,970.50/20,348,683.80
  6. Step 6: Final answer
    x = 11,349,815.40

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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.