Home / 12,016,802.66-18,028,039.19-3,929,746.86

Finding the Fourth Proportional to 12,016,802.66, 18,028,039.19 and 3,929,746.86

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Solution

The fourth proportional to 12,016,802.66, 18,028,039.19 and 3,929,746.86 is: 5,895,547.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016,802.66 : 18,028,039.19 = 3,929,746.86 : x
  2. Step 2: Convert to fraction form
    12,016,802.66/18,028,039.19 = 3,929,746.86/x
  3. Step 3: Cross multiply
    12,016,802.66x = 18,028,039.19 × 3,929,746.86
  4. Step 4: Simplify right side
    12,016,802.66x = 70,845,630,379,210.70
  5. Step 5: Solve for x
    x = 70,845,630,379,210.70/12,016,802.66
  6. Step 6: Final answer
    x = 5,895,547.46

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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.