Home / 18,356,048.76-25,357,250.70-14,709,191.16

Finding the Fourth Proportional to 18,356,048.76, 25,357,250.70 and 14,709,191.16

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Solution

The fourth proportional to 18,356,048.76, 25,357,250.70 and 14,709,191.16 is: 20,319,440.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,356,048.76 : 25,357,250.70 = 14,709,191.16 : x
  2. Step 2: Convert to fraction form
    18,356,048.76/25,357,250.70 = 14,709,191.16/x
  3. Step 3: Cross multiply
    18,356,048.76x = 25,357,250.70 × 14,709,191.16
  4. Step 4: Simplify right side
    18,356,048.76x = 372,984,647,838,343.81
  5. Step 5: Solve for x
    x = 372,984,647,838,343.81/18,356,048.76
  6. Step 6: Final answer
    x = 20,319,440.89

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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.