Home / 9,996,427.20-14,994,640.80-9,216,980.40

Finding the Fourth Proportional to 9,996,427.20, 14,994,640.80 and 9,216,980.40

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Solution

The fourth proportional to 9,996,427.20, 14,994,640.80 and 9,216,980.40 is: 13,825,470.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,996,427.20 : 14,994,640.80 = 9,216,980.40 : x
  2. Step 2: Convert to fraction form
    9,996,427.20/14,994,640.80 = 9,216,980.40/x
  3. Step 3: Cross multiply
    9,996,427.20x = 14,994,640.80 × 9,216,980.40
  4. Step 4: Simplify right side
    9,996,427.20x = 138,205,310,358,640.33
  5. Step 5: Solve for x
    x = 138,205,310,358,640.33/9,996,427.20
  6. Step 6: Final answer
    x = 13,825,470.60

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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.