Home / 19,117,724.40-28,709,764.20-10,159,772.40

Finding the Fourth Proportional to 19,117,724.40, 28,709,764.20 and 10,159,772.40

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Solution

The fourth proportional to 19,117,724.40, 28,709,764.20 and 10,159,772.40 is: 15,257,290.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,117,724.40 : 28,709,764.20 = 10,159,772.40 : x
  2. Step 2: Convert to fraction form
    19,117,724.40/28,709,764.20 = 10,159,772.40/x
  3. Step 3: Cross multiply
    19,117,724.40x = 28,709,764.20 × 10,159,772.40
  4. Step 4: Simplify right side
    19,117,724.40x = 291,684,669,929,668.06
  5. Step 5: Solve for x
    x = 291,684,669,929,668.06/19,117,724.40
  6. Step 6: Final answer
    x = 15,257,290.24

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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.