Home / 15,778,248.60-21,774,322.92-8,713,820

Finding the Fourth Proportional to 15,778,248.60, 21,774,322.92 and 8,713,820

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Solution

The fourth proportional to 15,778,248.60, 21,774,322.92 and 8,713,820 is: 12,025,259.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,778,248.60 : 21,774,322.92 = 8,713,820 : x
  2. Step 2: Convert to fraction form
    15,778,248.60/21,774,322.92 = 8,713,820/x
  3. Step 3: Cross multiply
    15,778,248.60x = 21,774,322.92 × 8,713,820
  4. Step 4: Simplify right side
    15,778,248.60x = 189,737,530,546,754.41
  5. Step 5: Solve for x
    x = 189,737,530,546,754.41/15,778,248.60
  6. Step 6: Final answer
    x = 12,025,259.29

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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.