Home / 42,913,513.44-64,363,356-11,781,908.64

Finding the Fourth Proportional to 42,913,513.44, 64,363,356 and 11,781,908.64

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Solution

The fourth proportional to 42,913,513.44, 64,363,356 and 11,781,908.64 is: 17,670,964.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,913,513.44 : 64,363,356 = 11,781,908.64 : x
  2. Step 2: Convert to fraction form
    42,913,513.44/64,363,356 = 11,781,908.64/x
  3. Step 3: Cross multiply
    42,913,513.44x = 64,363,356 × 11,781,908.64
  4. Step 4: Simplify right side
    42,913,513.44x = 758,323,180,155,795.88
  5. Step 5: Solve for x
    x = 758,323,180,155,795.88/42,913,513.44
  6. Step 6: Final answer
    x = 17,670,964.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.