Home / 8,724,465.10-12,038,002.68-5,284,707.76

Finding the Fourth Proportional to 8,724,465.10, 12,038,002.68 and 5,284,707.76

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Solution

The fourth proportional to 8,724,465.10, 12,038,002.68 and 5,284,707.76 is: 7,291,831.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724,465.10 : 12,038,002.68 = 5,284,707.76 : x
  2. Step 2: Convert to fraction form
    8,724,465.10/12,038,002.68 = 5,284,707.76/x
  3. Step 3: Cross multiply
    8,724,465.10x = 12,038,002.68 × 5,284,707.76
  4. Step 4: Simplify right side
    8,724,465.10x = 63,617,326,177,896.79
  5. Step 5: Solve for x
    x = 63,617,326,177,896.79/8,724,465.10
  6. Step 6: Final answer
    x = 7,291,831.13

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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.