Home / 7,742,716.70-10,685,223.34-4,258,324.81

Finding the Fourth Proportional to 7,742,716.70, 10,685,223.34 and 4,258,324.81

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Solution

The fourth proportional to 7,742,716.70, 10,685,223.34 and 4,258,324.81 is: 5,876,639.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742,716.70 : 10,685,223.34 = 4,258,324.81 : x
  2. Step 2: Convert to fraction form
    7,742,716.70/10,685,223.34 = 4,258,324.81/x
  3. Step 3: Cross multiply
    7,742,716.70x = 10,685,223.34 × 4,258,324.81
  4. Step 4: Simplify right side
    7,742,716.70x = 45,501,151,651,823.79
  5. Step 5: Solve for x
    x = 45,501,151,651,823.79/7,742,716.70
  6. Step 6: Final answer
    x = 5,876,639.10

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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.