Home / 21,710,483.90-29,960,467.92-11,920,928.14

Finding the Fourth Proportional to 21,710,483.90, 29,960,467.92 and 11,920,928.14

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Solution

The fourth proportional to 21,710,483.90, 29,960,467.92 and 11,920,928.14 is: 16,450,880.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,710,483.90 : 29,960,467.92 = 11,920,928.14 : x
  2. Step 2: Convert to fraction form
    21,710,483.90/29,960,467.92 = 11,920,928.14/x
  3. Step 3: Cross multiply
    21,710,483.90x = 29,960,467.92 × 11,920,928.14
  4. Step 4: Simplify right side
    21,710,483.90x = 357,156,585,115,095.31
  5. Step 5: Solve for x
    x = 357,156,585,115,095.31/21,710,483.90
  6. Step 6: Final answer
    x = 16,450,880.91

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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.