Home / 19,042,831.10-28,564,246.65-5,579,659.10

Finding the Fourth Proportional to 19,042,831.10, 28,564,246.65 and 5,579,659.10

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Solution

The fourth proportional to 19,042,831.10, 28,564,246.65 and 5,579,659.10 is: 8,369,488.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,042,831.10 : 28,564,246.65 = 5,579,659.10 : x
  2. Step 2: Convert to fraction form
    19,042,831.10/28,564,246.65 = 5,579,659.10/x
  3. Step 3: Cross multiply
    19,042,831.10x = 28,564,246.65 × 5,579,659.10
  4. Step 4: Simplify right side
    19,042,831.10x = 159,378,758,755,317
  5. Step 5: Solve for x
    x = 159,378,758,755,317/19,042,831.10
  6. Step 6: Final answer
    x = 8,369,488.65

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Similar ratio
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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.