Home / 19,708,220.70-27,197,254.80-10,887,674.49

Finding the Fourth Proportional to 19,708,220.70, 27,197,254.80 and 10,887,674.49

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Solution

The fourth proportional to 19,708,220.70, 27,197,254.80 and 10,887,674.49 is: 15,024,941.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,708,220.70 : 27,197,254.80 = 10,887,674.49 : x
  2. Step 2: Convert to fraction form
    19,708,220.70/27,197,254.80 = 10,887,674.49/x
  3. Step 3: Cross multiply
    19,708,220.70x = 27,197,254.80 × 10,887,674.49
  4. Step 4: Simplify right side
    19,708,220.70x = 296,114,857,283,990.06
  5. Step 5: Solve for x
    x = 296,114,857,283,990.06/19,708,220.70
  6. Step 6: Final answer
    x = 15,024,941.21

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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.