Home / 13,281,619.20-19,922,428.80-10,888,166.40

Finding the Fourth Proportional to 13,281,619.20, 19,922,428.80 and 10,888,166.40

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Solution

The fourth proportional to 13,281,619.20, 19,922,428.80 and 10,888,166.40 is: 16,332,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281,619.20 : 19,922,428.80 = 10,888,166.40 : x
  2. Step 2: Convert to fraction form
    13,281,619.20/19,922,428.80 = 10,888,166.40/x
  3. Step 3: Cross multiply
    13,281,619.20x = 19,922,428.80 × 10,888,166.40
  4. Step 4: Simplify right side
    13,281,619.20x = 216,918,719,866,552.34
  5. Step 5: Solve for x
    x = 216,918,719,866,552.34/13,281,619.20
  6. Step 6: Final answer
    x = 16,332,249.60

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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.