Home / 18,402,479.10-27,605,030.85-5,622,963.30

Finding the Fourth Proportional to 18,402,479.10, 27,605,030.85 and 5,622,963.30

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Solution

The fourth proportional to 18,402,479.10, 27,605,030.85 and 5,622,963.30 is: 8,434,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402,479.10 : 27,605,030.85 = 5,622,963.30 : x
  2. Step 2: Convert to fraction form
    18,402,479.10/27,605,030.85 = 5,622,963.30/x
  3. Step 3: Cross multiply
    18,402,479.10x = 27,605,030.85 × 5,622,963.30
  4. Step 4: Simplify right side
    18,402,479.10x = 155,222,075,364,917.81
  5. Step 5: Solve for x
    x = 155,222,075,364,917.81/18,402,479.10
  6. Step 6: Final answer
    x = 8,434,845.90

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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.