Home / 7,785,923.47-10,744,881.71-4,478,212.40

Finding the Fourth Proportional to 7,785,923.47, 10,744,881.71 and 4,478,212.40

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Solution

The fourth proportional to 7,785,923.47, 10,744,881.71 and 4,478,212.40 is: 6,180,109.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785,923.47 : 10,744,881.71 = 4,478,212.40 : x
  2. Step 2: Convert to fraction form
    7,785,923.47/10,744,881.71 = 4,478,212.40/x
  3. Step 3: Cross multiply
    7,785,923.47x = 10,744,881.71 × 4,478,212.40
  4. Step 4: Simplify right side
    7,785,923.47x = 48,117,862,434,139.73
  5. Step 5: Solve for x
    x = 48,117,862,434,139.73/7,785,923.47
  6. Step 6: Final answer
    x = 6,180,109.87

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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.