Home / 18,191,830.37-25,104,334.58-9,931,490.37

Finding the Fourth Proportional to 18,191,830.37, 25,104,334.58 and 9,931,490.37

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Solution

The fourth proportional to 18,191,830.37, 25,104,334.58 and 9,931,490.37 is: 13,705,243.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191,830.37 : 25,104,334.58 = 9,931,490.37 : x
  2. Step 2: Convert to fraction form
    18,191,830.37/25,104,334.58 = 9,931,490.37/x
  3. Step 3: Cross multiply
    18,191,830.37x = 25,104,334.58 × 9,931,490.37
  4. Step 4: Simplify right side
    18,191,830.37x = 249,323,457,126,527.97
  5. Step 5: Solve for x
    x = 249,323,457,126,527.97/18,191,830.37
  6. Step 6: Final answer
    x = 13,705,243.07

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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.