Home / 18,723,528.48-25,838,564.80-10,463,728.72

Finding the Fourth Proportional to 18,723,528.48, 25,838,564.80 and 10,463,728.72

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Solution

The fourth proportional to 18,723,528.48, 25,838,564.80 and 10,463,728.72 is: 14,439,999.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723,528.48 : 25,838,564.80 = 10,463,728.72 : x
  2. Step 2: Convert to fraction form
    18,723,528.48/25,838,564.80 = 10,463,728.72/x
  3. Step 3: Cross multiply
    18,723,528.48x = 25,838,564.80 × 10,463,728.72
  4. Step 4: Simplify right side
    18,723,528.48x = 270,367,732,581,341.09
  5. Step 5: Solve for x
    x = 270,367,732,581,341.09/18,723,528.48
  6. Step 6: Final answer
    x = 14,439,999.00

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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.