Home / 14,518,552.09-20,039,832.81-9,490,032.05

Finding the Fourth Proportional to 14,518,552.09, 20,039,832.81 and 9,490,032.05

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Solution

The fourth proportional to 14,518,552.09, 20,039,832.81 and 9,490,032.05 is: 13,099,009.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,518,552.09 : 20,039,832.81 = 9,490,032.05 : x
  2. Step 2: Convert to fraction form
    14,518,552.09/20,039,832.81 = 9,490,032.05/x
  3. Step 3: Cross multiply
    14,518,552.09x = 20,039,832.81 × 9,490,032.05
  4. Step 4: Simplify right side
    14,518,552.09x = 190,178,655,519,617.31
  5. Step 5: Solve for x
    x = 190,178,655,519,617.31/14,518,552.09
  6. Step 6: Final answer
    x = 13,099,009.76

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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.