Home / 14,722,133.40-20,303,318.18-9,216,010.20

Finding the Fourth Proportional to 14,722,133.40, 20,303,318.18 and 9,216,010.20

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Solution

The fourth proportional to 14,722,133.40, 20,303,318.18 and 9,216,010.20 is: 12,709,814.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,722,133.40 : 20,303,318.18 = 9,216,010.20 : x
  2. Step 2: Convert to fraction form
    14,722,133.40/20,303,318.18 = 9,216,010.20/x
  3. Step 3: Cross multiply
    14,722,133.40x = 20,303,318.18 × 9,216,010.20
  4. Step 4: Simplify right side
    14,722,133.40x = 187,115,587,539,902.91
  5. Step 5: Solve for x
    x = 187,115,587,539,902.91/14,722,133.40
  6. Step 6: Final answer
    x = 12,709,814.70

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1.5x scale

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.