Home / 13,774,468.72-19,003,632.60-8,615,870.32

Finding the Fourth Proportional to 13,774,468.72, 19,003,632.60 and 8,615,870.32

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Solution

The fourth proportional to 13,774,468.72, 19,003,632.60 and 8,615,870.32 is: 11,886,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774,468.72 : 19,003,632.60 = 8,615,870.32 : x
  2. Step 2: Convert to fraction form
    13,774,468.72/19,003,632.60 = 8,615,870.32/x
  3. Step 3: Cross multiply
    13,774,468.72x = 19,003,632.60 × 8,615,870.32
  4. Step 4: Simplify right side
    13,774,468.72x = 163,732,834,090,524.44
  5. Step 5: Solve for x
    x = 163,732,834,090,524.44/13,774,468.72
  6. Step 6: Final answer
    x = 11,886,689.60

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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.