Home / 12,777,637.64-17,631,059.70-7,549,917.50

Finding the Fourth Proportional to 12,777,637.64, 17,631,059.70 and 7,549,917.50

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Solution

The fourth proportional to 12,777,637.64, 17,631,059.70 and 7,549,917.50 is: 10,417,657.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777,637.64 : 17,631,059.70 = 7,549,917.50 : x
  2. Step 2: Convert to fraction form
    12,777,637.64/17,631,059.70 = 7,549,917.50/x
  3. Step 3: Cross multiply
    12,777,637.64x = 17,631,059.70 × 7,549,917.50
  4. Step 4: Simplify right side
    12,777,637.64x = 133,113,046,172,574.75
  5. Step 5: Solve for x
    x = 133,113,046,172,574.75/12,777,637.64
  6. Step 6: Final answer
    x = 10,417,657.00

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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.