Home / 8,938,823.58-12,335,856.39-5,071,507.74

Finding the Fourth Proportional to 8,938,823.58, 12,335,856.39 and 5,071,507.74

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Solution

The fourth proportional to 8,938,823.58, 12,335,856.39 and 5,071,507.74 is: 6,998,839.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938,823.58 : 12,335,856.39 = 5,071,507.74 : x
  2. Step 2: Convert to fraction form
    8,938,823.58/12,335,856.39 = 5,071,507.74/x
  3. Step 3: Cross multiply
    8,938,823.58x = 12,335,856.39 × 5,071,507.74
  4. Step 4: Simplify right side
    8,938,823.58x = 62,561,391,161,413.46
  5. Step 5: Solve for x
    x = 62,561,391,161,413.46/8,938,823.58
  6. Step 6: Final answer
    x = 6,998,839.46

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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.