Home / 13,210,374.47-19,796,438.21-9,107,484.71

Finding the Fourth Proportional to 13,210,374.47, 19,796,438.21 and 9,107,484.71

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Solution

The fourth proportional to 13,210,374.47, 19,796,438.21 and 9,107,484.71 is: 13,648,042.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210,374.47 : 19,796,438.21 = 9,107,484.71 : x
  2. Step 2: Convert to fraction form
    13,210,374.47/19,796,438.21 = 9,107,484.71/x
  3. Step 3: Cross multiply
    13,210,374.47x = 19,796,438.21 × 9,107,484.71
  4. Step 4: Simplify right side
    13,210,374.47x = 180,295,758,165,515.12
  5. Step 5: Solve for x
    x = 180,295,758,165,515.12/13,210,374.47
  6. Step 6: Final answer
    x = 13,648,042.96

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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.