Home / 12,822,774.76-17,659,746.66-9,911,440.36

Finding the Fourth Proportional to 12,822,774.76, 17,659,746.66 and 9,911,440.36

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Solution

The fourth proportional to 12,822,774.76, 17,659,746.66 and 9,911,440.36 is: 13,650,206.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,822,774.76 : 17,659,746.66 = 9,911,440.36 : x
  2. Step 2: Convert to fraction form
    12,822,774.76/17,659,746.66 = 9,911,440.36/x
  3. Step 3: Cross multiply
    12,822,774.76x = 17,659,746.66 × 9,911,440.36
  4. Step 4: Simplify right side
    12,822,774.76x = 175,033,525,793,299.19
  5. Step 5: Solve for x
    x = 175,033,525,793,299.19/12,822,774.76
  6. Step 6: Final answer
    x = 13,650,206.69

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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.