Home / 12,068,849.76-16,655,012.82-6,636,341.76

Finding the Fourth Proportional to 12,068,849.76, 16,655,012.82 and 6,636,341.76

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Solution

The fourth proportional to 12,068,849.76, 16,655,012.82 and 6,636,341.76 is: 9,158,151.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,068,849.76 : 16,655,012.82 = 6,636,341.76 : x
  2. Step 2: Convert to fraction form
    12,068,849.76/16,655,012.82 = 6,636,341.76/x
  3. Step 3: Cross multiply
    12,068,849.76x = 16,655,012.82 × 6,636,341.76
  4. Step 4: Simplify right side
    12,068,849.76x = 110,528,357,090,701.36
  5. Step 5: Solve for x
    x = 110,528,357,090,701.36/12,068,849.76
  6. Step 6: Final answer
    x = 9,158,151.71

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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.