Home / 38,478,097.94-53,099,826.35-20,837,030.94

Finding the Fourth Proportional to 38,478,097.94, 53,099,826.35 and 20,837,030.94

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Solution

The fourth proportional to 38,478,097.94, 53,099,826.35 and 20,837,030.94 is: 28,755,130.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,478,097.94 : 53,099,826.35 = 20,837,030.94 : x
  2. Step 2: Convert to fraction form
    38,478,097.94/53,099,826.35 = 20,837,030.94/x
  3. Step 3: Cross multiply
    38,478,097.94x = 53,099,826.35 × 20,837,030.94
  4. Step 4: Simplify right side
    38,478,097.94x = 1,106,442,724,459,392.12
  5. Step 5: Solve for x
    x = 1,106,442,724,459,392.12/38,478,097.94
  6. Step 6: Final answer
    x = 28,755,130.42

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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.