Home / 12,565,053.32-18,845,336.36-3,343,078.76

Finding the Fourth Proportional to 12,565,053.32, 18,845,336.36 and 3,343,078.76

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Solution

The fourth proportional to 12,565,053.32, 18,845,336.36 and 3,343,078.76 is: 5,014,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,565,053.32 : 18,845,336.36 = 3,343,078.76 : x
  2. Step 2: Convert to fraction form
    12,565,053.32/18,845,336.36 = 3,343,078.76/x
  3. Step 3: Cross multiply
    12,565,053.32x = 18,845,336.36 × 3,343,078.76
  4. Step 4: Simplify right side
    12,565,053.32x = 63,001,443,710,171.71
  5. Step 5: Solve for x
    x = 63,001,443,710,171.71/12,565,053.32
  6. Step 6: Final answer
    x = 5,014,021.20

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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.