Home / 20,959,899.63-31,439,849.46-5,813,831.13

Finding the Fourth Proportional to 20,959,899.63, 31,439,849.46 and 5,813,831.13

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Solution

The fourth proportional to 20,959,899.63, 31,439,849.46 and 5,813,831.13 is: 8,720,746.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,959,899.63 : 31,439,849.46 = 5,813,831.13 : x
  2. Step 2: Convert to fraction form
    20,959,899.63/31,439,849.46 = 5,813,831.13/x
  3. Step 3: Cross multiply
    20,959,899.63x = 31,439,849.46 × 5,813,831.13
  4. Step 4: Simplify right side
    20,959,899.63x = 182,785,975,513,061.69
  5. Step 5: Solve for x
    x = 182,785,975,513,061.69/20,959,899.63
  6. Step 6: Final answer
    x = 8,720,746.70

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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.