Home / 12,570,441.86-18,847,946.05-4,885,113.13

Finding the Fourth Proportional to 12,570,441.86, 18,847,946.05 and 4,885,113.13

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Solution

The fourth proportional to 12,570,441.86, 18,847,946.05 and 4,885,113.13 is: 7,324,670.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,570,441.86 : 18,847,946.05 = 4,885,113.13 : x
  2. Step 2: Convert to fraction form
    12,570,441.86/18,847,946.05 = 4,885,113.13/x
  3. Step 3: Cross multiply
    12,570,441.86x = 18,847,946.05 × 4,885,113.13
  4. Step 4: Simplify right side
    12,570,441.86x = 92,074,348,663,054
  5. Step 5: Solve for x
    x = 92,074,348,663,054/12,570,441.86
  6. Step 6: Final answer
    x = 7,324,670.82

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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.