Home / 12,864,071.31-19,292,009.95-4,226,166.72

Finding the Fourth Proportional to 12,864,071.31, 19,292,009.95 and 4,226,166.72

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Solution

The fourth proportional to 12,864,071.31, 19,292,009.95 and 4,226,166.72 is: 6,337,904.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,864,071.31 : 19,292,009.95 = 4,226,166.72 : x
  2. Step 2: Convert to fraction form
    12,864,071.31/19,292,009.95 = 4,226,166.72/x
  3. Step 3: Cross multiply
    12,864,071.31x = 19,292,009.95 × 4,226,166.72
  4. Step 4: Simplify right side
    12,864,071.31x = 81,531,250,412,598.86
  5. Step 5: Solve for x
    x = 81,531,250,412,598.86/12,864,071.31
  6. Step 6: Final answer
    x = 6,337,904.11

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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.