Home / 9,180,345.45-12,668,981.63-5,260,022.66

Finding the Fourth Proportional to 9,180,345.45, 12,668,981.63 and 5,260,022.66

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Solution

The fourth proportional to 9,180,345.45, 12,668,981.63 and 5,260,022.66 is: 7,258,891.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180,345.45 : 12,668,981.63 = 5,260,022.66 : x
  2. Step 2: Convert to fraction form
    9,180,345.45/12,668,981.63 = 5,260,022.66/x
  3. Step 3: Cross multiply
    9,180,345.45x = 12,668,981.63 × 5,260,022.66
  4. Step 4: Simplify right side
    9,180,345.45x = 66,639,130,452,923.74
  5. Step 5: Solve for x
    x = 66,639,130,452,923.74/9,180,345.45
  6. Step 6: Final answer
    x = 7,258,891.38

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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.