Home / 25,378,862.47-35,022,874.64-13,776,433.81

Finding the Fourth Proportional to 25,378,862.47, 35,022,874.64 and 13,776,433.81

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Solution

The fourth proportional to 25,378,862.47, 35,022,874.64 and 13,776,433.81 is: 19,011,502.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,378,862.47 : 35,022,874.64 = 13,776,433.81 : x
  2. Step 2: Convert to fraction form
    25,378,862.47/35,022,874.64 = 13,776,433.81/x
  3. Step 3: Cross multiply
    25,378,862.47x = 35,022,874.64 × 13,776,433.81
  4. Step 4: Simplify right side
    25,378,862.47x = 482,490,314,157,448.19
  5. Step 5: Solve for x
    x = 482,490,314,157,448.19/25,378,862.47
  6. Step 6: Final answer
    x = 19,011,502.77

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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.