Home / 13,357,313.80-20,035,970.70-9,105,785.80

Finding the Fourth Proportional to 13,357,313.80, 20,035,970.70 and 9,105,785.80

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Solution

The fourth proportional to 13,357,313.80, 20,035,970.70 and 9,105,785.80 is: 13,658,678.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357,313.80 : 20,035,970.70 = 9,105,785.80 : x
  2. Step 2: Convert to fraction form
    13,357,313.80/20,035,970.70 = 9,105,785.80/x
  3. Step 3: Cross multiply
    13,357,313.80x = 20,035,970.70 × 9,105,785.80
  4. Step 4: Simplify right side
    13,357,313.80x = 182,443,257,489,276.06
  5. Step 5: Solve for x
    x = 182,443,257,489,276.06/13,357,313.80
  6. Step 6: Final answer
    x = 13,658,678.70

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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.