Home / 14,946,782.88-20,626,623.54-8,420,490.48

Finding the Fourth Proportional to 14,946,782.88, 20,626,623.54 and 8,420,490.48

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Solution

The fourth proportional to 14,946,782.88, 20,626,623.54 and 8,420,490.48 is: 11,620,312.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,946,782.88 : 20,626,623.54 = 8,420,490.48 : x
  2. Step 2: Convert to fraction form
    14,946,782.88/20,626,623.54 = 8,420,490.48/x
  3. Step 3: Cross multiply
    14,946,782.88x = 20,626,623.54 × 8,420,490.48
  4. Step 4: Simplify right side
    14,946,782.88x = 173,686,287,153,113.91
  5. Step 5: Solve for x
    x = 173,686,287,153,113.91/14,946,782.88
  6. Step 6: Final answer
    x = 11,620,312.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.