Home / 19,563,623.20-29,346,730.80-5,186,490.40

Finding the Fourth Proportional to 19,563,623.20, 29,346,730.80 and 5,186,490.40

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Solution

The fourth proportional to 19,563,623.20, 29,346,730.80 and 5,186,490.40 is: 7,780,079.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,563,623.20 : 29,346,730.80 = 5,186,490.40 : x
  2. Step 2: Convert to fraction form
    19,563,623.20/29,346,730.80 = 5,186,490.40/x
  3. Step 3: Cross multiply
    19,563,623.20x = 29,346,730.80 × 5,186,490.40
  4. Step 4: Simplify right side
    19,563,623.20x = 152,206,537,565,584.34
  5. Step 5: Solve for x
    x = 152,206,537,565,584.34/19,563,623.20
  6. Step 6: Final answer
    x = 7,780,079.18

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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.