Home / 12,884,510.77-19,326,769.75-3,786,607.86

Finding the Fourth Proportional to 12,884,510.77, 19,326,769.75 and 3,786,607.86

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Solution

The fourth proportional to 12,884,510.77, 19,326,769.75 and 3,786,607.86 is: 5,679,912.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884,510.77 : 19,326,769.75 = 3,786,607.86 : x
  2. Step 2: Convert to fraction form
    12,884,510.77/19,326,769.75 = 3,786,607.86/x
  3. Step 3: Cross multiply
    12,884,510.77x = 19,326,769.75 × 3,786,607.86
  4. Step 4: Simplify right side
    12,884,510.77x = 73,182,898,176,018.11
  5. Step 5: Solve for x
    x = 73,182,898,176,018.11/12,884,510.77
  6. Step 6: Final answer
    x = 5,679,912.84

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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.