Home / 19,144,412.40-28,716,618.60-12,774,313.20

Finding the Fourth Proportional to 19,144,412.40, 28,716,618.60 and 12,774,313.20

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Solution

The fourth proportional to 19,144,412.40, 28,716,618.60 and 12,774,313.20 is: 19,161,469.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144,412.40 : 28,716,618.60 = 12,774,313.20 : x
  2. Step 2: Convert to fraction form
    19,144,412.40/28,716,618.60 = 12,774,313.20/x
  3. Step 3: Cross multiply
    19,144,412.40x = 28,716,618.60 × 12,774,313.20
  4. Step 4: Simplify right side
    19,144,412.40x = 366,835,080,041,345.50
  5. Step 5: Solve for x
    x = 366,835,080,041,345.50/19,144,412.40
  6. Step 6: Final answer
    x = 19,161,469.80

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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.