Home / 38,386,945.21-57,580,417.81-12,827,954.61

Finding the Fourth Proportional to 38,386,945.21, 57,580,417.81 and 12,827,954.61

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Solution

The fourth proportional to 38,386,945.21, 57,580,417.81 and 12,827,954.61 is: 19,241,931.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,386,945.21 : 57,580,417.81 = 12,827,954.61 : x
  2. Step 2: Convert to fraction form
    38,386,945.21/57,580,417.81 = 12,827,954.61/x
  3. Step 3: Cross multiply
    38,386,945.21x = 57,580,417.81 × 12,827,954.61
  4. Step 4: Simplify right side
    38,386,945.21x = 738,638,986,091,515.62
  5. Step 5: Solve for x
    x = 738,638,986,091,515.62/38,386,945.21
  6. Step 6: Final answer
    x = 19,241,931.92

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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.