Home / 13,898,345.68-19,180,866.15-7,705,335.79

Finding the Fourth Proportional to 13,898,345.68, 19,180,866.15 and 7,705,335.79

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Solution

The fourth proportional to 13,898,345.68, 19,180,866.15 and 7,705,335.79 is: 10,634,000.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898,345.68 : 19,180,866.15 = 7,705,335.79 : x
  2. Step 2: Convert to fraction form
    13,898,345.68/19,180,866.15 = 7,705,335.79/x
  3. Step 3: Cross multiply
    13,898,345.68x = 19,180,866.15 × 7,705,335.79
  4. Step 4: Simplify right side
    13,898,345.68x = 147,795,014,428,794.50
  5. Step 5: Solve for x
    x = 147,795,014,428,794.50/13,898,345.68
  6. Step 6: Final answer
    x = 10,634,000.47

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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.