Home / 19,433,660.80-29,168,116.80-9,855,702.40

Finding the Fourth Proportional to 19,433,660.80, 29,168,116.80 and 9,855,702.40

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Solution

The fourth proportional to 19,433,660.80, 29,168,116.80 and 9,855,702.40 is: 14,792,492.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,433,660.80 : 29,168,116.80 = 9,855,702.40 : x
  2. Step 2: Convert to fraction form
    19,433,660.80/29,168,116.80 = 9,855,702.40/x
  3. Step 3: Cross multiply
    19,433,660.80x = 29,168,116.80 × 9,855,702.40
  4. Step 4: Simplify right side
    19,433,660.80x = 287,472,278,749,240.31
  5. Step 5: Solve for x
    x = 287,472,278,749,240.31/19,433,660.80
  6. Step 6: Final answer
    x = 14,792,492.35

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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.