Home / 19,762,216.20-29,643,324.30-12,981,641.40

Finding the Fourth Proportional to 19,762,216.20, 29,643,324.30 and 12,981,641.40

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Solution

The fourth proportional to 19,762,216.20, 29,643,324.30 and 12,981,641.40 is: 19,472,462.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,762,216.20 : 29,643,324.30 = 12,981,641.40 : x
  2. Step 2: Convert to fraction form
    19,762,216.20/29,643,324.30 = 12,981,641.40/x
  3. Step 3: Cross multiply
    19,762,216.20x = 29,643,324.30 × 12,981,641.40
  4. Step 4: Simplify right side
    19,762,216.20x = 384,819,005,966,506.06
  5. Step 5: Solve for x
    x = 384,819,005,966,506.06/19,762,216.20
  6. Step 6: Final answer
    x = 19,472,462.10

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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.