Home / 13,798,541.24-18,904,070.02-13,281,378.92

Finding the Fourth Proportional to 13,798,541.24, 18,904,070.02 and 13,281,378.92

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Solution

The fourth proportional to 13,798,541.24, 18,904,070.02 and 13,281,378.92 is: 18,195,555.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,798,541.24 : 18,904,070.02 = 13,281,378.92 : x
  2. Step 2: Convert to fraction form
    13,798,541.24/18,904,070.02 = 13,281,378.92/x
  3. Step 3: Cross multiply
    13,798,541.24x = 18,904,070.02 × 13,281,378.92
  4. Step 4: Simplify right side
    13,798,541.24x = 251,072,117,065,831.97
  5. Step 5: Solve for x
    x = 251,072,117,065,831.97/13,798,541.24
  6. Step 6: Final answer
    x = 18,195,555.07

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.