Home / 30,443,536.75-42,018,184.08-18,060,503.55

Finding the Fourth Proportional to 30,443,536.75, 42,018,184.08 and 18,060,503.55

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Solution

The fourth proportional to 30,443,536.75, 42,018,184.08 and 18,060,503.55 is: 24,927,115.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,443,536.75 : 42,018,184.08 = 18,060,503.55 : x
  2. Step 2: Convert to fraction form
    30,443,536.75/42,018,184.08 = 18,060,503.55/x
  3. Step 3: Cross multiply
    30,443,536.75x = 42,018,184.08 × 18,060,503.55
  4. Step 4: Simplify right side
    30,443,536.75x = 758,869,562,741,393.50
  5. Step 5: Solve for x
    x = 758,869,562,741,393.50/30,443,536.75
  6. Step 6: Final answer
    x = 24,927,115.70

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Double scale
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1.5x scale

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.