Home / 19,713,479.70-29,570,219.55-12,911,034.90

Finding the Fourth Proportional to 19,713,479.70, 29,570,219.55 and 12,911,034.90

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Solution

The fourth proportional to 19,713,479.70, 29,570,219.55 and 12,911,034.90 is: 19,366,552.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,713,479.70 : 29,570,219.55 = 12,911,034.90 : x
  2. Step 2: Convert to fraction form
    19,713,479.70/29,570,219.55 = 12,911,034.90/x
  3. Step 3: Cross multiply
    19,713,479.70x = 29,570,219.55 × 12,911,034.90
  4. Step 4: Simplify right side
    19,713,479.70x = 381,782,136,610,712.31
  5. Step 5: Solve for x
    x = 381,782,136,610,712.31/19,713,479.70
  6. Step 6: Final answer
    x = 19,366,552.35

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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.