Home / 14,521,384.80-21,782,077.20-9,986,421.60

Finding the Fourth Proportional to 14,521,384.80, 21,782,077.20 and 9,986,421.60

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Solution

The fourth proportional to 14,521,384.80, 21,782,077.20 and 9,986,421.60 is: 14,979,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,521,384.80 : 21,782,077.20 = 9,986,421.60 : x
  2. Step 2: Convert to fraction form
    14,521,384.80/21,782,077.20 = 9,986,421.60/x
  3. Step 3: Cross multiply
    14,521,384.80x = 21,782,077.20 × 9,986,421.60
  4. Step 4: Simplify right side
    14,521,384.80x = 217,525,006,242,947.50
  5. Step 5: Solve for x
    x = 217,525,006,242,947.50/14,521,384.80
  6. Step 6: Final answer
    x = 14,979,632.40

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1.5x scale

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.