Home / 17,518,701.61-26,287,463.81-7,290,612.91

Finding the Fourth Proportional to 17,518,701.61, 26,287,463.81 and 7,290,612.91

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Solution

The fourth proportional to 17,518,701.61, 26,287,463.81 and 7,290,612.91 is: 10,939,836.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,518,701.61 : 26,287,463.81 = 7,290,612.91 : x
  2. Step 2: Convert to fraction form
    17,518,701.61/26,287,463.81 = 7,290,612.91/x
  3. Step 3: Cross multiply
    17,518,701.61x = 26,287,463.81 × 7,290,612.91
  4. Step 4: Simplify right side
    17,518,701.61x = 191,651,722,987,890.72
  5. Step 5: Solve for x
    x = 191,651,722,987,890.72/17,518,701.61
  6. Step 6: Final answer
    x = 10,939,836.03

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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.