Home / 10,566,651.82-15,838,916.40-4,422,154.15

Finding the Fourth Proportional to 10,566,651.82, 15,838,916.40 and 4,422,154.15

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Solution

The fourth proportional to 10,566,651.82, 15,838,916.40 and 4,422,154.15 is: 6,628,602.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,566,651.82 : 15,838,916.40 = 4,422,154.15 : x
  2. Step 2: Convert to fraction form
    10,566,651.82/15,838,916.40 = 4,422,154.15/x
  3. Step 3: Cross multiply
    10,566,651.82x = 15,838,916.40 × 4,422,154.15
  4. Step 4: Simplify right side
    10,566,651.82x = 70,042,129,889,763.07
  5. Step 5: Solve for x
    x = 70,042,129,889,763.07/10,566,651.82
  6. Step 6: Final answer
    x = 6,628,602.05

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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.