Home / 12,654,055.48-19,011,364.32-8,113,999.32

Finding the Fourth Proportional to 12,654,055.48, 19,011,364.32 and 8,113,999.32

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Solution

The fourth proportional to 12,654,055.48, 19,011,364.32 and 8,113,999.32 is: 12,190,415.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,654,055.48 : 19,011,364.32 = 8,113,999.32 : x
  2. Step 2: Convert to fraction form
    12,654,055.48/19,011,364.32 = 8,113,999.32/x
  3. Step 3: Cross multiply
    12,654,055.48x = 19,011,364.32 × 8,113,999.32
  4. Step 4: Simplify right side
    12,654,055.48x = 154,258,197,164,752.28
  5. Step 5: Solve for x
    x = 154,258,197,164,752.28/12,654,055.48
  6. Step 6: Final answer
    x = 12,190,415.75

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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.